BREAK OPEN YOUR AEROSPACE ADVENTURE Discover this 3-IN-1 digging toy set with 15 unique rocks, minerals, and crystals hidden within 3-inch plaster planets of EARTH, MOON, and MARS. Young geologists can break open these mini worlds to unearth precious stones and engage in space dig exploration for hours of fun. INCLUDE A MESS-FREE TABLECLOTH This rock mining kit includes a durable, easy-to-clean tablecloth with a vibrant solar system design, perfect for keeping your space clean during gemstone excavation. Its detailed planetary map also serves as an educational guide to the solar system planets for kids. SURPRISE HATCHING DINO EGG As a special surprise, this gemstone digging kit includes a Baby Hatching Dinosaur Egg This delightful addition adds a prehistoric twist to your geological adventure, blending the thrill of dinosaurs with the wonder of space exploration. FUN EDUCATIONAL STEM TOYS This space science kit provides a full-color Learning Guide with detailed illustrations and descriptions of the solar system, space rocks, stones, and mineral formations, offering a hands-on archaeological experience for solar system planet toy projects thats both fun and informative. PERFECT SCIENCE GIFT FOR KIDS AGED 6 Ideal for birthdays, holidays, Children's Day, and Christmas, the PIBEX solar system gem dig kit is not just a toy, but a gateway to learning about aerospace, geology, and archaeology. Perfect for group science, family activities, or space-themed parties.

2 LBS Non-Abrasive Ceramic Small Tumbling Media. 316dia. X 38long cut cylinders.. Improve your rock tumbling results improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage.. Rock tumbling ceramic pellets are reusable and can be used during every rock polishing grit cycle.. Perfect for protecting stones or filling while rock tumbling. Compatible with any brand tumbler or grit.. Use liquid compounds or water in tumbling and vibrating machines..

Exquisite Rock Collection Kit Gift Box A perfect rock collection kit for kids, This toolkit includes 30 pieces of natural rocks, gemstones and crystals, as well as a magnifying glass, Brushes and a full color learning guide.. 30 Pcs RockGems IncludingLepidolite,Howlite,Green Fluorite,Black Tourmaline,Red Jasper,Unakite,Amethyst,Sodalite,Aventurine,Yellow Aventurine,Obsidian,Yellow Turquoise,Amazonite,Tiger's Eye,Green Moonstone,Blue Apatite,Snowflake Obsidian,Citrine,Epidote Ruby,Red Agate,Zebra Stone,Rose Quartz,Lapis Lazuli,Sunstone,Clear Quartz,Smoky Quartz,Red Scoria,Scoria,Sesame Stone,Strawberry Quartz. Learn and explore the mysteries of Rocks The full color study guide has information about each gem, you can use a brush to clear the dust and impurities on the rock surface, and then use a magnifying glass to see more details of rocks, gems and crystals. Exploring the formation and origins of rocks and crystals is a great start for boys and girls interested in geographies.. A fun and educational gift This unique and educational rock collection is a great gift for people of all ages and is also great for beginners or experienced gem collectors. The upscale rock collection kit is a great holiday gift that can be used for birthday gifts, graduation gifts, Children's Day, Father's Day, Christmas, New Year gifts and more.. Satisfaction guarantee If you have any questions or are not satisfied with our products, you can contact us at any time, we will give you a satisfactory answer..

COMPLETE ROCK TUMBLER KIT WITH GRIT INCLUDED Start polishing right away with this 30lb rock tumbler kit that includes a full grit set for multiple polishing stages. Featuring coarse, fine, pre-polish, and ultra-fine aluminum oxide polish, this kit provides everything needed to transform rough stones into smooth, polished gems.. HEAVY DUTY BUILD FOR LONG-LASTING PERFORMANCE Built with a 16-gauge welded steel frame and powder-coated finish, this rock tumbler is designed for durability and corrosion resistance. Industrial-grade stainless steel ball bearings and rubber-coated rollers ensure smooth, reliable operation without plastic components.. VERSATILE MULTI-BARREL COMPATIBILITY Engineered to support multiple barrel sizes and combinations, this tumbler base offers flexibility for different batch sizes and polishing needs. Ideal for both beginners and experienced users looking to expand their rock tumbling setup.. POWERFUL MOTOR WITH EFFICIENT OPERATION Equipped with a fan-cooled, thermally protected motor designed for extended use. Runs at an optimal speed for effective tumbling, helping achieve consistent polishing results while maintaining smooth and quiet performance.. USA OWNED BRAND WITH TRUSTED QUALITY Proudly offered by a USA-based, disabled and veteran-owned company. MJR Tumblers is known for producing reliable, high-quality rock tumblers designed for performance, versatility, and long-term use..

GROW 8 CRYSTALS UNDERWATER Kids will love watching 8 vibrant crystals grow right before their eyes in a safe, immersive underwater environment. EASY TO GROW - Follow the easy, step-by-step instructions and watch your crystals form right before your eyes. 360-DEGREE VIEWING CONTAINER Our large, secure canister lets kids see the crystal growth process from every angleno leaks, no mess. EVERYTHING INCLUDED Comes with crystal solution, 8 crystal-growing stones, safety goggles, gloves for kids and adults, and more.. STEM LEARNING EXPERIENCE The included Learning Guide explains the science behind crystal formation, inspiring curiosity and hands-on discovery.. AWARD-WINNING PRODUCTS Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience.

Long-term tumbling under heavy loads can cause natural wear on belts over time. Reach out to our support team to request 10 extra beltsabsolutely free ... - - Enjoy peace of mind with our extended 90-day refund guarantee and 5-year warranty. If you miss Amazons 30-day return window, simply contact our US-based customer service for hassle-free replacement or refund assistance. We provide 247 claim support to ensure a smooth rock tumbling experience and complete customer satisfaction.. Industrial-Grade Brushless Motor Built to Last Over 10 Years Unlike ordinary rock tumblers, the KomeStone G3 model rock tumbler uses a verified brushless motorstable, powerful, and tested by over 1 million units. Delivers long-term reliability and reduces noise by up to 67.The tumbler rotates at approximately 40-50 RPM. The exact speed depends on the load for example, it runs at about 48 RPM when the barrel is two-thirds full.. Smart Control Panel with Real-Time Watt Tracking Our exclusive 3-screen display shows total tumbling days, extra hours, and live power usage. The smart timer helps you optimize runtime, keeping typical daily energy consumption under 0.5 kWhperfect for calculating costs and planning your polishing cycles with precision.. Extra-Large 22LB Capacity for Serious Tumbling Polish up to 10X more rocks per run. The reinforced barrel with 6 metal twist knobs makes loading and sealing easy even during high-volume polishing. Built for collectors, workshops, and advanced users.. Full Metal Build Base Drum Shell for Stability Strength Engineered with a durable metal base and a metal-clad drum for maximum durability. No plastic herejust solid construction that resists cracks, warping, and wear from long-term, heavy-duty use.. 5-Year Warranty Lifetime Support from KomeStone KomeStone G3 rock tumbler comes with a 5-year warranty covering free replacement of the motor and other core components. All customers also receive lifetime technical support and access to replacement parts, including belts, barrels, metal lids, and the base. You may use the warranty to request free replacements or purchase parts directly if preferred.. About KomeStone KomeStone rock tumblers are the first with brushless motor technology and now lead U.S. sales by a wide margin. We are more than a manufacturer were your partner, offering reliable products and lifetime support you can count on..

Widely Compatibility Replaceable belt sets compatible with komestone rock tumbler K1, K1 Pro, and K3. Compatible with KoolStone Rock Tumbler C1, C1 Pro C3. Compatible with Thumler's A-R1A-R2A-R3A-R6A-R12B401 Tumblers. Note NOT compatible with K2 Elite Rock Tumbler. Premium Material The rock tumbler accessories are made of high-quality rubber. The rock tumbler band replacement is elastic, wear-resistant and durable. Easy to Install Just remove your broken or worn belt compatible with rock tumbling accessories and replace with new belt compatible with koolstone rock tumbler belts. Package Includes 5 Rock Tumbler Belts. Perimeter 24.3cm9.56in, width 0.4cm0.15in, diameter 7.8cm3.04in. Buy with Confidence Just contact us if you have any problem of our belts or our service without any hesitate, and once we receiving your email, we will try our best to solve your problem at once and help you save more time on these trivial matter.

INSPIRE A LOVE OF SCIENCE This rock collection for kids and adults inspires curiosity in geology. GORGEOUS ROCKS MINERALS 10 specimens each of pyrite, quartz, desert rose, pumice tigers eye.. SHARE THE FUN Also includes over 1 lb. of polished rocks and gems plus 10 carrying bags to share. IN THE CLASSROOM A great science kit for classrooms, homeschool curriculum and educational groups.. AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience.

The Ultimate rock collection kit This STEM science kit lets kids explore 2 pounds of magnificent geological specimens These include agate, amethyst, blue quartz, rose quartz, tiger's eye, sodalite, hematite, various jasper varieties, and more. Polished gems reveal hidden beauty This collection of stones and crystals is dazzling The polished luster of the rocks and crystals in this kit make it possible to see minute details, revealing the hidden beauty of each rock and crystal inside. Great home decor and craft accessories. These rocks and crystals have many uses They make great aquarium rocks, and are also good for plant and candle arrangements. Use them as gemstone home decor or with a jewelry making kit The possibilities are endless. Learning guide and ID sheet included. The learning guide and ID sheet in this set provide a deeper look into each rock and crystal. They're great for kids learning about geology and for adults who desire additional insight into their new stones. AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience.

BUILD YOUR OWN ENGINE Assemble a clear 4-cylinder engine model kit with 175 durable pieces. A fun DIY engineering toy engine that shows how pistons, valves, and gears really move.. WORKING MODEL ENGINE Install 3 AA batteries not included, press start, and see this visible engine model kit come to life as pistons, valves, and gears move just like a real car engine.. COMPLETE STEM ACTIVITY KIT This kids engine build kit includes everything needed 175 parts, tools, illustrated instructions, and a Learning Guide for an engaging STEM toy experience.. FUN EDUCATIONAL Encourages problem-solving skills and curiosity while teaching kids about mechanics and engineering. Perfect model engine kit for young builders and hobby kits for boys and girls.. GREAT STEM GIFT An exciting engine building kit for kids who love cars, building toys, and model kits. Inspires creativity and discovery through hands-on STEM play. AWARD-WINNING PRODUCTS Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience.

Model-Specific Compatibility - This replacement drive belt set is designed for compatibility with National Geographic and Dr. Cool brand rock tumblers. It serves as a functional replacement for the original O-ring style belts in these popular hobbyist models. 6-Belt Practical Value - Includes six identical replacement belts in one package. This multi-pack solution provides practical value, ensuring you have adequate spares readily available to minimize equipment downtime during rock polishing projects. Buna-Nitrile Material Construction - These belts are constructed from Buna-N Nitrile synthetic rubber, a material recognized for its resistance to abrasion and ability to maintain flexibility in tumbler applications. Consistent Performance - Engineered to match original equipment specifications, these O-ring belts provide reliable power transfer from the motor to the barrel, supporting consistent tumbling action for rock polishing needs. Maintenance Solution - A practical replacement part for rock tumbler maintenance. Replacing worn drive belts is a straightforward process that can help maintain your equipment's operation.

Brand-Specific Fit These are replacement drive belts designed for National Geographic and Dr. Cool brand rock tumblers. They are intended as a direct functional replacement for the original O-ring style drive belts used in these hobbyist models. Convenient Multi-Pack This package contains 4 identical replacement belts. Having multiple spares on hand ensures you can quickly replace a worn belt and continue your rock polishing projects without significant interruption, providing practical value and convenience. Durable Buna-Nitrile Material Constructed from Buna-N Nitrile synthetic rubber, a material chosen for its resistance to abrasion and ability to maintain flexibility under the constant motion of a rock tumbler. This construction aims to support extended service life in your tumbler. Reliable Performance Engineered to match original specifications with an outer diameter of approximately 3.03 inches. This fit ensures consistent power transfer from the motor to the tumbler barrel, which is essential for achieving even and effective rock polishing results. Straightforward Maintenance Solution Replacing a worn or broken drive belt is a simple maintenance task. This 4-pack offers an accessible way to perform this routine upkeep, helping to maintain your rock tumbler's operational readiness and supporting your hobby or educational activities.

Specifications World Wide Input Voltage 100-240VAC 5060Hz Cable Length 5ft1.5m OVP, OCP, SCP Protection.Tested Units. In Great Working Condition.. RESILIENT This replacement power adapter is firmly designed, the wires will not be pulled out easily, or break up when it was plugged in or during shipping. UL LISTED RISK FREE It is built in safety protection, will not cause fire ,blow a circuit or too hot to touch when you use it for a long time at home.. Replacement adapter Compatible with NATIONAL GEOGRAPHIC Rock Tumbler Kit Compatible with KomeStone Rock Tumbler Kit Compatible with VEVOR Direct Drive Rock Tumbler KitCompatible with KomeStone K2 Elite Professional Rock Tumbler Kit Compatible with WireJewelry Pro-Series Double Barrel Rock Tumbler Kit Compatible with Tryes Rock Tumbler Kit Adults - Rock Polisher Tumbler Compatible with CAYAMA Snail Professional Rock Tumbler Kit for Kids Adults Compatible with DanDarci Advanced Professional Rock Tumbler Kit.

HIGH- QUALITY Rock, Gem Mineral Collection ACTIVITY KIT includes over 200 pcs with full-color educational identification sheet and Rock book for hours of fun STEM-based learning. FUN EDUCATIONAL SCIENCE TOY--rock mineral TREASURES are mixed with clean gravel to simulate a real ROCK HUNT Match the rocks to the ID sheet and learn interesting gem facts. BREAK OPEN GEODES and find beautiful crystals inside Also included SHARK teeth FOSSILS, stone ARROWHEADS, amethyst, quartz point, tiger eye, fools gold, rose quartz, and more. PRODUCED FROM THE HIGHEST QUALITY MATERIALS, our products are backed by our exceptionally responsive customer service. If you ever have a problem, we'll work to make it right.. DANCING BEAR creates products that teach and entertain. Our ultimate goal is to get people of all ages back in touch with Mother Nature. We also lovingly donate 10 of all profits to charities worldwide.

DIG THROUGH 8 PLANETS Kids will journey through the solar system with 8 planet-shaped dig bricks, each hiding 2 genuine rock or gemstone specimens for an exciting hands-on excavation adventure.. DISCOVER 16 REAL SPECIMENS From sparkling gemstones to cool mineral samples, this kit includes 16 real specimens for kids to uncover, collect, and identify as part of their rock collection.. SHARE THE EXPERIENCE With 2 included dig tools, this kit is perfect for siblings, friends, or family to excavate together and explore the wonders of space and geology side by side.. TOOLS FOR YOUNG SCIENTISTS A magnifying glass lets kids examine their discoveries up close and appreciate the incredible details of each rock or gem they uncover.. POSTER PACKED WITH FACTS The included learning poster is filled with fascinating information about the planets and the rocks and gems in the kit, reinforcing STEM learning through fun.. AWARD-WINNING PRODUCTS Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience.

CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults This robust rock polisher makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.. A TUMBLER THAT'S MADE TO LAST - The durable motor has time and speed control settings so you can set it, and forget it. An improved, leak-proof barrel features a stainless-steel lid.. ALL-IN-ONE TUMBLING KIT - You get 12 pound of rough rocks with 9 different types of gemstones inside, 5 jewelry fastenings, tumbler grit, a strainer, and our innovative new GemFoam polishing foam.. USE GEMFOAM FOR DAZZLING RESULTS - This rock tumbling kit stands apart from others thanks to our new, reusable GemFoam rock polisher Add GemFoam and water to the barrel after your final tumbling stage and your gems will have incredible shine. HIGH-QUALITY EDUCATIONAL TOYS - We proudly make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience isn't stellar, we'll make it right.

CREATE YOUR OWN GEMSTONES - Make any stone sparkle and polish everyday rocks into dazzling gemstones This rock polisher kit makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.. A TUMBLER THAT'S MADE TO LAST Our high-quality tumblers are made with a durable motor thats designed to last for years. The leakproof rubber barrel reduces sound, making it 75 quieter than other plastic models. Makes an excellent STEM gift or activity for girls and boys.. ALL-IN-ONE TUMBLING KIT - This complete kit has everything you need to create polished gemstones. In addition to the tumbler, four polishing grits, sifter, and rough gemstones, this bundle includes refill packs with 1lb each of rough gemstones and rough jasper. Learn all about the gemstones in your kit with the detailed, full-color learning guide.. EASY TO USE Simple instructions and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, so you can set it and forget it. This is a great gift for kids. SATISFACTION GUARANTEED The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun If your experience is anything less than extraordinary, let us know so we can make it right for you..

CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults This professional rock tumbler makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.. A TUMBLER THAT'S MADE TO LAST - The durable motor has time and speed control settings so you can set it and forget it. An improved leak-proof, 2 lb. barrel features a stainless-steel lid and is 75 quieter overall than plastic tumbler barrels.. INCLUDES 1 LB. OF ROCKS MORE - This tumbling kit comes with everything you need 1 lb. of raw rocks with 9 types of gemstones, 5 jewelry fastenings, grit, strainer GemFoam for a dazzling shine. USE GEMFOAM FOR DAZZLING RESULTS - This rock tumbler kit stands apart from others thanks to our new, reusable GemFoam rock polisher Add GemFoam and water to the barrel after your final tumbling stage and your gems will have incredible shine. HIGH-QUALITY EDUCATIONAL TOYS - We proudly make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience isn't stellar, we'll make it right.

HIGH QUALITY - This rock polisher grit refill pack comes with enough high-quality silicon carbide grit to put a dazzling polish on up to 20 lbs. of rocks, gems, glass, and more. EASY TO USE FOUR-STAGE ROCK GRIT - The first rock tumbling grit stage provides initial shaping, the second smooths rock surfaces, the third pre-polishes rocks, and the fourth provides the final polish. COMPATIBLE WITH ALL TUMBLERS - This complete 4-step rock tumbler grit refill kit works with all rock tumblers. For best results, use with National Geographic Rock Tumblers and rock tumbling supplies. EASY TO MEASURE AND STORE - Each rock tumbling grit stage is packaged in a wide-mouth container with secure, screw-top closure.. HIGH-QUALITY EDUCATIONAL TOYS - National Geographic is proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is anything less than extraordinary, let us know so we can make it right for you.

CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults This professional rock polisher makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.. A TUMBLER THAT'S MADE TO LAST - The durable motor has time and speed control settings so you can set it, and forget it. An improved, leak-proof barrel features a stainless-steel lid is 75 quieter overall than plastic tumbler barrels.. INCLUDES 3 LBS. OF ROCKS MORE - This tumbling kit comes with everything you need 3 lbs. of raw rocks with 9 types of gemstones, 5 jewelry fastenings, grit, strainer GemFoam for a dazzling shine. USE GEMFOAM FOR DAZZLING RESULTS - This rock polishing kit stands apart from others thanks to our new, reusable GemFoam rock polisher Add GemFoam and water to the barrel after your final tumbling stage and your gems will have incredible shine. SATISFACTION GUARANTEED The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun If your experience is anything less than extraordinary, let us know so we can make it right for you..

CREATE YOUR OWN GEMSTONES - Make any stone sparkle and polish everyday rocks into dazzling gemstones This rock tumbler kit makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.. A TUMBLER THAT'S MADE TO LAST Our high-quality tumblers are made with a durable motor thats designed to last for years. The leakproof rubber barrel reduces sound, making it 75 quieter than other plastic models. An excellent STEM activity for kids.. A COMPLETE HOBBY TUMBLING KIT - Everything you need to create polished gemstones the tumbler, four polishing grits, sifter, nine types of real rough gemstones, plus a detailed full-color learning guide. Makes a great gift for girls and boys. EASY TO USE Simple instructions and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, set it and forget it This is a great gift for kids.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

ENORMOUS VARIETY - This rock tumbler refill kit has 5 pounds of unpolished rocks and gemstones consisting of a 1-pound gemstone mix, 1-pound agate mix, 1-pound Madagascar mix, 1-pound jasper mix, and 1-pound petrified wood mix. ROCK POLISHING GRIT There are 20 total rock tumbler grit packets in the kit, enough for five complete tumbling cycles with any rock tumbler. JEWELRY SETTINGS Once your rocks are polished, use the 5 included jewelry settings to create beautiful keepsakes or use the included storage pouch to keep your favorite specimens all in one place. DETAILED LEARNING GUIDE The learning guide includes polishing instructions along with fascinating information about the stones in the kit. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

GEMSTONES OF NINE VARIETIES Tigers Eye, Amethyst, Aventurine, Rose Quartz, Red Jasper, Agate, Sodalite, Dalmatian Jasper, Black Jasper. 3lb in total. FOUR GRADES OF GRIT Coarse, Medium, Fine, Polish. Transform your stones from rough rocks to dazzling gemstones. JEWELRY FASTENINGS 1 Necklace, 1 set of Earrings, 1 Keychain, 1 Ring. Create custom jewelry from your newly polished gemstones. LEARNING GUIDE Our Learning Guide will teach you all about these unique gemstone specimens and includes many amazing and fascinating facts. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults This starter rock tumbler makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.. A TUMBLER THAT'S MADE TO LAST - The durable motor allows you to tumble multiple batches of rocks. An improved, leak-proof barrel is lined with rubber for quieter operation while tumbling on the sturdy tumbler base.. ALL-IN-ONE TUMBLING KIT - This kit has everything you need and then some You get a pound of rough rocks with nine different types of gemstones inside, five jewelry fastenings, and our four-stage rock polishing grit.. EASY TO USE AND EDUCATIONAL - Detailed tumbler instructions lead you step-by-step through the rock tumbling process, A full-color learning guide details how rocks are naturally polished and has fascinating facts about the gemstones in the kit.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

High Quality Our rock tumbling grit is made from premium materials, ensuring durability and long-lasting performance. You can trust that our product will deliver excellent, consistent results every time.. Easy to Use Our Rock Tumbler Grit and Polish Refill is designed to provide a smooth and polished finish to your rocks. With four stages of grit, You can effortlessly achieve the desired brilliance. Compatible with All Tumblers Whether you have a small or large rock tumbler, our rock polishing grit is compatible with all types of tumblers. You can confidently use our product with any brand or model.. Packaging Contents 1 lb. of 6090 coarse silicon carbide grit, 1 lb. of 180220 medium silicon carbide grit, 21 lb. of 500 fine silicon carbide grit, 21 lb. of 1200 aluminum oxide polish, along with a user-friendly instruction manual and a spoon.. AFTER-SALES SERVICE We strictly bottle by weight, so there are two bottles that are half-filled.If you are not satisfied with our rock tumbling grit and polish refill kit, please feel free to contact us and we will try our best to solve your problem..

POWER ADAPTER 120V60Hz Barrel. PROFESSIONAL FEATURES The durable motor and two bowls design allows you to tumble different batches of rocks.. SOLID QUALITY Metal case and powerful motor give you a durable machine that will last for years.. TRANSPARENT BARREL The 3LB leak-proof barrel with transparent design allows users to check out the status at any time.. FULLY READY KIT Includes tumbler body, 2x3LBS transparent drums, 1 magnifier, 1 gem case, 5 v-belt, 2 sets of grits, 2x1 pound total of 2 set of raw stones, jewelry set, 1 screwdriver, and 1 instruction manual.. CAPACITY 2 3LB.

Professional-Grade Polishing for Advanced Users Take your tumbling results to the next level with this metal rock tumbler, built for hobbyists and collectors who demand more. Engineered for precision, durability, and control, it delivers results far beyond entry-level models.. Powerful Brushless Motor No Maintenance, No Compromise The high-efficiency brushless motor delivers strong, stable power and a longer lifespan. It runs with less heat and no dust, unlike traditional brushed motors that can overheat and wear out over time. No carbon brushes, no mess, and no drop in performance.. 4lb Rubber Barrel Heavy-Duty Capacity, Whisper Quiet Upgrade your output with the 4-pound capacity rubber barrel that handles larger batches while reducing noise by 60 compared to plastic drums. Designed for indoor use and multi-day runs without disruption.. Smart Controls 3 Speeds 9-Day Timer Dial in your perfect polish with three speed settings and a programmable 9-day timer featuring auto shut-off and pause function. Ideal for users who want tighter control over grit stages and cycle timing.. Complete Kit Built for Serious Tumbling Includes everything you need to get started or upgrade 4lb barrel, 1lb premium rough gemstones, 4 polishing grits, 2 spare belts, screwdriver, jewelry findings, mesh strainer, and a full-color instruction manual. Ready for pro-level polishing out of the box.. AtoRock Official Warranty - - - . Missing parts, operation issues, or polishing advicewere always here for you. We strive to be the most reliable after-sales supporter in the rock tumbler industry. We dont just sell rock tumblerswere your trusted long-term partner..

Long-term heavy-duty use may wear belts over time. ? .. Were here to ensure your A3 tumbler always performs like new.. Serviceable Design - Built, Not Disposable All core componentsincluding belts, barrel, and drive partsare replaceable to keep the machine running at peak performance. Backed by a - and U.S.-based support, the A3 is designed for a 10 year service life, making it a true long-term investment. If You Want the Best, You Want AtoRock Tumblers.. Designed by Experts Proven AtoRock Quality Developed by a U.S.-based team with over 10 years of rock tumbling experience, AtoRock focuses exclusively on building reliable, professional tumblers. With a proven lineup from A1 entry-pro model, A1 Pro dual-barrel tumbler to A3 22lb heavy duty rock tumbler, every machine is rigorously tested and refined to meet the demands of serious hobbyists, collectors, and workshopsnot casual or disposable use.. Industrial-Grade Brushless Motor Up to 3 Longer Lifespan The brushless design eliminates carbon brushes and dust buildup, dramatically extending motor lifespan. Rated for up to 40,000 hours, it offers up to 3 the service life of traditional brushed motorsideal for users who run their tumbler frequently or continuously.. Extra-Large 22 lb Single Barrel Up to 10 Higher Polishing Efficiency The 22 lb extra-large barrel allows polishing up to 10 more material per cycle, reducing batch frequency while handling larger stones with ease. Reinforced construction with six metal twist knobs ensures secure sealing and stability during high-volume operation.. Real-Time Motor Output Runtime Display Exclusive Feature An exclusive digital display shows total tumbling days, extra hours, and real-time watt output, allowing you to monitor motor load at any time. Even under full load, typical daily energy consumption stays below 0.5 kWh, making long-term heavy-duty tumbling both powerful and cost-efficient.. Full Metal Heavy-Duty Construction Maximum Stability, Reduced Vibration Built with a reinforced all-metal base and metal-clad barrel, the rigid structure minimizes vibration and maintains stability during extended operation. Compared to plastic-bodied tumblers, this design delivers superior durability and consistent polishing results over years of heavy use..

Rock Your World Dive into the world of geology with the BRYTE Mint Rock Tumbler. It's a fun way for kids age 8 and up to transform rough stones into shiny treasures with ease.. Customized Stone Polishing Choose how your stones sparkle with our direct-drive rock tumbler. The 9-day timer and self-cooling system let you polish sea glass and rocks to your perfect shine. Quiet Indoor Fun Enjoy peaceful rock tumbling in apartments or small spaces with our quiet rock tumbler machine. Its a great indoor toy to keep kids entertained without disturbing the household. Ultimate Gift for Kids Spark young geologists' curiosity with the rock kit perfect for birthdays. This beginner rock tumbling kit inspires creativity and is great for cool DIY jewelry projects. Complete Kit Adventure Start your rock tumbling journey with a full set including a barrel, tumbling grit, and guide. This rock and glass tumbler machine is all you need for hours of fun exploration.

Turn rough rocks into polished gems Discover and learn the fun process of rock tumbling with the Advanced Rock Tumbler. Pour in the rough stones and grit and let the machine do its job. Complete kit Includes rock tumbler machine, low-noise barrel 1 lb. capacity, 4 grit packets, 12 lb. assorted rough rocks, mesh strainer, jewelry fasteners, gem storage bag, and an illustrated easy-to-follow instruction and learning guide booklet.. Powerful quality Runs on a powerful heavy duty motor that will last for a very long time, and includes a leak-resistant barrel that runs quieter than the other brands.. Advanced features Includes speed controls providing more granular tumbling results, a 9-day timer shuts off automatically when you desire, all displayed on beautiful LCD screens.. A fun and educational gift for all ages It's not often that a science project can be fun and engaging, but this kit achieves both It fascinates children and adults as soon as they pull it out of the box and is a perfect STEM project for any age. It fosters a love for science, geology and mineralogy in a fun and exciting way..

FUN GEODE SCIENCE KIT includes 25 break-your-own Moroccan geodes, educational information, and instructions sheet.. 25 MEDIUM, EASY TO OPEN, MOROCCAN GEODES-sizes range from 1-1.5 inches. Crack them open and find crystals inside 90 are hollow with crystals and and a few may be solid with quartz or calcite inside. MONEY BACK GUARANTEE-if you are not completely satisfied, Dancing Bear will gladly refund your money plus shipping both ways.. ASSEMBLED IN THE USA by our dedicated team in Eugene, OR..

TRANSFORM ROUGH ROCKS INTO SHINY GEMS Explore the fascinating world of geology by turning rough stones into polished gemstones. This hands-on kit is a fun and educational way for kids to discover the beauty of natural stones.. DELUXE KIT WITH 20 STONES 4 GRITS Start right away with 20 starter stones, four stages of grit, a replaceable band, and a motorized tumbler barrelall the essentials for a successful rock polishing journey.. QUIET RUBBER BARREL FOR HOME USE The durable rubber barrel reduces noise, allowing for a quieter tumbling experience, making it easy to use at home without disruptions.. SIMPLE OPERATION FOR ALL SKILL LEVELS Just add water, grit, and stones, then turn on the tumbler and watch it work. Perfect for beginners and budding rock collectors who want an easy, hands-on introduction to stone polishing.. GEM DISPLAY CASE INCLUDED Keep your polished gems organized and beautifully displayed with the included clear gem case, ideal for showcasing your growing collection.. STEM-APPROVED EDUCATIONAL FUN Aligned with STEM standards, this rock tumbler kit makes learning about earth sciences interactive and engaging, sparking curiosity in young scientists..

SEE INTO THE EYE OF THE TORNADO Witness the power of Mother Nature with the Discovery Tornado Lab. Create and study awe-inspiring tornadoes while also learning about meteorology and atmospheric physics, right from the comfort of your home. WITH STORM DEBRIS TO TRACK THE DESTRUCTION Use the included reusable storm debris to visualize the power and force generated by the tornado. This educational toy is suitable for boys and girls over the age of 6. REALISTIC VISUAL AUDIO STORM EXPERIENCE Control the action of the Tornado lab with 5 pre-set intensity speeds. Paired with realistic storm sounds, the Tornado Lab replicates a real storm. Let kids learn weather physics with our science toys. EASY TO USE, DESIGNED FOR KIDS Setup is a breeze, just plug in and go Powered via a 12V adapter included, this STEM toy is great for mess-free educational play at home, in classrooms, science decor in fairs, or a thoughtful birthday gift for kids. EXPLORE, PLAY LEARN From board games and plush toys to STEM kits, robots, drones, and more, our toys spark curiosity, inspire creativity, and support the development of science, technology, engineering, and math skills for kids of all ages.

Create Your Own Gemstones Unleash your creativity and turn rough stones into brilliant, polished gems with our user-friendly polishing kit. It effortlessly converts ordinary rocks into beautiful, glossy treasures, and includes two jewelry accessories for you to design your very own gemstone pendants. Leak-Proof Design Our rock tumbler features a robust motor for long-lasting performance and a double-layer rubber-sealed barrel to effectively prevent leaks. With a noise-reducing cover that decreases sound by 65, this product is perfect for STEM education and hands-on learning experiences for kids.. Easy to Use Experience simple and enjoyable polishing with intuitive instructions and one-touch settings. Select a tumbling time of 1 to 5 days with the one-button timer, and let the automatic shutoff feature take care of the restset it and forget it for hassle-free fun. All-Inclusive Kit for Endless Creativity This comprehensive rock tumbling set comes with everything you need an electric rock tumbler, a noise-reducing cover, two sets of 4-stage polishing grit, two packs of rough stones, DIY jewelry settings, a measuring cup, and a detailed learning guide. Perfect for sparking outdoor rock hunting adventures and transforming ordinary stones into extraordinary gemsa great gift for aspiring young gemologists.. Effortless Cleaning with Removable Barrel Cleaning is a breeze with our removable barrel design Simply rinse with water after each use, allowing you to focus on the excitement of polishing rather than the cleanup. Enjoy endless polishing adventures without the hassle.

Soundproof Enclosure for Quiet Operation 2026 NEW UPGRADE ADVANCED FEATURES Our rock tumbler kit features a state-of-the-art soundproof enclosure that significantly 75 quieter than other models during the tumbling process. An ideal choice for indoor use, or for those who prefer a quieter environment. Unlike other tumblers that can be disruptive with their noise, ours allows you to enjoy the hobby without causing a disturbance Also an excellent STEM toys for kids ages 8-13.. Create Your Own Shining Gems Enhance your rock tumbling experience with our new model Featuring an integrated LED screen, a 9-day timer, 3 speed controls, and a pause and resume function. This allows you to customize your polishing process for exceptional results. Makes a great toy gift for girls and boys ages 8 It's also a great lesson about patience and geology for kids, or a great idea for mom making jewelry or dad collecting rocks.. All-Inclusive Kit for Convenience Our rock tumbler kit comes with everything you need to start tumbling rocks right out of the box. It include a variety of rocks, grit for different stages of polishing to create your own gemstone jewelry. The inclusion of a detailed instruction manual makes it easy for you to start tumbling like a pro. This rock tumbler kit makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation.. High-Performance Motor, Built to Last Equipped with a powerful and reliable motor, our rock polisher tumbler kit ensures efficient and effective polishing. The strong motor not only speeds up the tumbling process but also handles larger batches with ease. It is a significant advantage over other kits with less potent motors that may struggle with larger or harder stones.. Easy-to-Clean Rubber Barrel Mess barrel often bothers you Our rock tumbler's rubber barrel is made easy to clean compare with other product. Cleaning up with water after each tumbling session is a breeze, allowing you to focus more on the hobby and less on the cleanup. This is particularly important for enthusiasts who plan to use tumbler frequently, as it guarantees that the barrel will maintain its performance over time..

Complete Starter Kit Everything Included This rock tumbler kit includes a tumbler base, durable rubber barrel, 0.5 lb of assorted rough gemstones, 4 polishing grits, sifter, jewelry findings, 2 spare belts, and a full-color step-by-step guide. Designed so kids and starters can begin tumbling right out of the box without purchasing additional accessories.. Dual Noise-Reducing Safety Design A thick rubber barrel combined with a sound-dampening safety cover helps reduce operating noise compared with standard plastic-barrel tumblers. The protective cover also helps minimize accidental contact during use, making it more suitable for home environments.. Simple Digital Controls with Memory Function Equipped with 3 speed settings, a 9-day timer, pause-and-resume capability, and automatic memory that resumes the program where it stopped. The clear display and guided controls make it easier for beginners to manage each polishing stage.. Hands-On STEM Learning Activity An engaging, screen-free science project that introduces basic geology concepts while turning rough stones into polished keepsakes. Encourages patience, creativity, and hands-on learning for kids, starters, and hobby users.. Replacement Parts Available Ongoing Support Designed for long-term use, with replacement parts available if needed. Customer support is provided to assist with product questions or part replacement, helping ensure continued use over time.. - - - Includes a - and - for added peace of mind. If Amazons 30-day return window is missed, - to assist with replacement or refund requests. ?- to help keep the rock tumbler in working condition.. We have also prepared extra belts for your spare use at no cost. Reach out to our customer center to get some absolutely free..

Complete 4-Step Kit Includes 6 lbs of polishing grits4 bottles with Silicon Carbide for coarse, medium, and pre-polish steps, and Aluminum Oxide for final polish.. Polish Up to 40 lbs Ideal for tumbling up to 40 lbs of rocks, making it suitable for large projects or multiple batches.. Easy to Measure Store Comes with two spoons and individual packaging for each grit. Simple to measure and store with no mess.. High-Quality Grits Contains 2 lbs of Silicon Carbide for coarse and medium grinds, 1.5 lbs of Silicon Carbide for pre-polish, and 1.5 lbs of Aluminum Oxide for final polish.. Compatible with Any Tumbler Works with all rock tumblers. Explore our range of tumblers and accessories for a complete lapidary setup, suitable for all skill levels..

Ultra Quiet Brushless Motor with Noise-Canceling Cover Powered by a next-generation brushless motor, this rock tumbler delivers smooth, stable polishing with over 20,000 hours of lifespan. The noise-canceling cover and dual rubber barrels reduce sound by up to 75, making it ideal for homes, classrooms, and shared spaces.. 7Lbs Dual Barrel Capacity for Efficient Polishing Polish more rocks at once with two independent barrels. Perfect for running coarse and fine grit simultaneously, this rotary tumbler is ideal for agates, gemstones, crystals, and jewelry preparation.. Precision Digital Control with 4 Speeds 9-Day TimerThe intuitive digital panel offers full control over speed and polishing time. Features include auto shutoff, memory recall, and hands-free operation, ensuring consistent and repeatable results for beginners and professionals.. Complete Rock Tumbler Kit with Full AccessoriesIncludes natural rocks, multiple polishing grits, ceramic media, belts, jewelry findings, strainer, and a step-by-step guide. A perfect STEM learning kit for kids, parents, educators, and hobbyists.. U.S.-Based Support, Warranty Spare Parts Backed by a 1-year warranty and lifetime technical support. Replacement belts and accessories are available anytime, providing long-term reliability and peace of mind.. We have also prepared extra belts for your spare use at no cost. Reach out to our customer center to get some absolutely free.. - - - Includes a - and - for peace of mind. If Amazons 30-day return window is missed, - to assist with replacement or refund requests. ?- to help keep the rock tumbler in working condition..

The FIRST and ONLY Noise-Reduction Brushless Motor Rock Tumbler on the Market Upgrade Your Rock Polishing Experience. 1 Year - Special Bonus Just for You The covers accessories replacement, techical support, and so on. .. CUTTING-EDGE BRUSHLESS MOTOR, UNMATCHED IN THE MARKET -- C1 Pro Max rock tumbler boasts an unbeatable brushless motor, providing lightning-fast and highly effective tumbling action that leaves your gems and rocks polished to perfection. We take pride in being the pioneers of the brushless motor rock tumbler, currently the first and only one available on the market.. 6X QUIETER WITH NOISE-REDUCTION COVER, PERFECT FOR INDOOR ROCK TUMBLING -- Experience the tranquility of tumbling with the noise-dampening cover that makes tumbling operations quieter than ever before. Ideal for enthusiasts who enjoy tumbling indoors or have limited space. Moreover, the rubber barrel reduces noise by 75 compared to other plastic barrels.. EXPEDITED POLISHING AND SUPERIOR RESULTS -- With 3-speed controls allowing for more precise tumbling, a 9-day timer featuring automatic shutoff and memory function, all conveniently displayed on a clear screen, you can effortlessly hone your settings for impeccable polishing results every time.. EVERYTHING YOU NEED FOR GEMSTONE POLISHING RIGHT AT YOUR FINGERTIPS -- The KoolStone Rock Tumbler includes a complete set of tools required for creating exquisite polished gemstones. Unbox and discover the rock tumbler itself, equipped with a 3LB capacity rubber barrel, 1LB of rough gemstones in 9 different varieties, 2 durable belts, 4 types of polishing grits, a sifter, mesh strainer and ceramic pellets,along with jewelry fastenings and an illustrated tutorial guide. Start tumbling right away.

Belts are consumables,

KoolStone C5 Series Perfect for Beginners. Designed for first-time users, the C5 combines a beginner-friendly exterior with smart controls and a colorful, intuitive interface. Step-by-step guidance ensures a smooth, successful start. Includes a full-color polishing guide with tips, stage recommendations, and fun rock factsmaking rock polishing easy, educational, and enjoyable from day one.. Dual Noise-Reduction Up to 85 Quieter Tumbling. The C5s dual noise-reduction designpremium rubber barrel plus noise-reduction lidcutting noise by up to 85 compared with standard plastic barrels. Smooth, soft, and quiet, perfect for shared spaces or nighttime use.. The 1st Smart Tumbler for Beginners True smart control in a simple, one-touch design. The 3-speed, 9-day polishing program removes guesswork, guiding beginners from start to finish. PauseResume feature lets you stop and continue anytimesmart, simple, and stress-free.. Everything You Need to Create Polished Gemstones Rock tumbler, rubber barrel, 0.5LB of 8 types of rough gemstones, 2 belts, 4 polishing grits, sifter, jewelry fastenings, and illustrated tutorial guide. For even longer use and better results, pair with KoolStones 4LB Professional Polishing Grit sold separately.. Fun, Educational Kid-Friendly STEM Gift Designed with a truly kid-friendly setup, the C5 makes it easy and exciting for young explorers to turn ordinary stones into shiny treasures. A perfect birthdayChildren's Daychristmas gift for kids, beginners, and young rock collectorsengaging, educational, and full of festive holiday fun for the whole family.. Official KoolStone Warranty ? - - . Your purchase is protected by KoolStones official - and a - - ?. Shop with confidence were here to support your tumbling journey..

Complete Rock Tumbler Grit Kit Includes 1 pound of Step 1 Coarse Grit, 1 pound of Step 2 Medium Grit, 12 pound of Step 3 Pre-Polish, 12 pound of Step 4 Final Polish, and 1 pound of Ceramic Tumbling Media.. POLISH UP TO 25LBS ROCKS Effortlessly polish rocks weighing up to 25lbs with our kit. Ensuring you have ample supplies for multiple projects.. STEP-BY-STEP POLISHING PROCESS The kit provides the perfect sequence of grits for each stage of tumbling, from coarse to fine, resulting in beautifully polished stones or metals.. High-Quality Materials Our grits and tumbling media are made from durable and long-lasting materials, ensuring consistent performance and reliable results.. COMPATIABLE WITH ANY TUMBLER Suitable for both professional lapidarists and hobbyists, this grit kit enables you to achieve professional-grade tumbling and polishing results at home..

Rock Tumbler Kit for Adults Includes tumbler, 0.5lbs of walnut shell media, 1 piece of timing belts, and instructions. Timing belts has greater flexibility and abrasion resistance than normal belt.. Easy To Use and Maintain Designed for user-friendly and easy to maintain, making it accessible for people of beginers and professional. Simply load the tumbler with rough rocks, add media and let it run for a few days to achieve polished results.. 3LB Leak Proof Barrel To prevent the liquid from leaking during polishing, our rock tumbler is designed with double stainless steel top cover. It is so compact that you will need a screwdriver to open it easily. The rock polisher tumbler with cover is 40.6 quieter than others', and the barrel is 75 quieter than other barrels.. Fun Rock Tumbling Our Rock Tumbler is an extremely popular hobby for adults alike. Collect rough rocks and turn them into colorful gems, you will be very excited to see the rocks changes with each cycle.. If you have any problem when you use the rock tumbler machine, please feel free to contact us,we will reply to you within 24 hours and solve your issue..

Packaging List Includes tumbler, 20.5lbs of walnut shell media, five v-belt, and instructions. Easy To Use and Maintain Designed for user-friendly and easy to maintain, making it accessible for people of beginers and professional. Simply load the tumbler with rough rocks, add media and let it run for a few days to achieve polished results.. 2x3 LB Leak Proof Rubber Barrel To prevent the liquid from leaking during polishing, our rock tumbler is designed with double stainless steel top cover. It is so compact that you will need a screwdriver to open it easily. The rock polisher tumbler with cover is 40.6 quieter than others', and the tire rubber is 75 quieter than plastic barrels.. Fun Rock Tumbling Our Rock Tumbler is an extremely popular hobby for children and adults alike. Collect rough rocks and turn them into colorful gems, you will be very excited to see the rocks changes with each cycle.. If you have any problem when you use the rock tumbler machine, please feel free to contact us,we will reply to you within 24 hours and solve your issue..

Double Drum 6LB Rock Tumbler.

Rock Tumbler Kit for Adults Kids Includes tumbler, 20.5lbs of walnut shell media, 1 piece of timing belts, and instructions. Timing belts has greater flexibility and abrasion resistance than normal belt.. Easy To Use and Maintain Designed for user-friendly and easy to maintain, making it accessible for people of beginers and professional. Simply load the tumbler with rough rocks, add media and let it run for a few days to achieve polished results.. 3LB Leak Proof Barrel To prevent the liquid from leaking during polishing, our rock tumbler is designed with double stainless steel top cover. It is so compact that you will need a screwdriver to open it easily. The rock polisher tumbler with cover is 40.6 quieter than others', and the tire is 75 quieter than other barrels.. Fun Rock Tumbling Our Rock Tumbler is an extremely popular hobby for children and adults alike. Collect rough rocks and turn them into colorful gems, you will be very excited to see the rocks changes with each cycle.. If you have any problem when you use the rock tumbler machine, please feel free to contact us,we will reply to you within 24 hours and solve your issue..

COMMERCIAL GRADE POWER PERFORMANCE Built for serious rock polishing, this 10lb capacity rock tumbler delivers professional-level results with a powerful motor designed for continuous operation. Ideal for hobbyists and advanced users looking for a reliable, high-performance rock polishing machine.. VERSATILE DESIGN FOR MULTIPLE BARREL SETUPS Engineered to support multiple barrel sizes and combinations, this tumbler base offers unmatched flexibility for different polishing needs. Whether you're working with small batches or larger loads, it adapts to your workflow with ease additional barrels sold separately.. HEAVY DUTY STEEL FRAME PREMIUM COMPONENTS Constructed with a 16-gauge welded steel frame and powder-coated finish for durability and corrosion resistance. Features industrial-grade stainless steel ball bearings and rubber-coated rollers no plastic bushings ensuring long-lasting, smooth operation.. EFFICIENT MOTOR WITH OPTIMAL SPEED CONTROL Equipped with a fan-cooled, thermally protected motor that runs at the ideal speed for faster, consistent polishing results. Designed for extended use while maintaining stable, efficient performance for rock tumbling and stone finishing.. TRUSTED USA-OWNED BRAND WITH PROVEN QUALITY Proudly offered by a USA-based, veteran-owned company with over 20 years of experience. Designed for durability, performance, and versatility, making it a top choice among rock tumblers for adults, hobbyists, and professionals alike..

DISCOVER CRYSTAL TREASURE - Break open these rocks to reveal amazing crystals inside Geology doesnt get more exciting than breaking open rocks and finding crystal treasures. This great STEM activity makes an excellent gift for girls and boys. COLORFUL VARIETY Geodes can form with a wide variety of crystals inside. These geodes have been hand-selected to bring you the best variety available.. 100 NATURAL GEODES These real specimens may be as big as a tennis ball, or as small as a ping-pong ball. Kids will love the thrill of cracking them open to see the natural beauty inside. This STEM activity emphasizes fun and discovery. 16 PAGE FULL-COLOR LEARNING GUIDE Youll learn all about the fascinating science behind how geodes are formed in the detailed, full-color Learning Guide. National Geographic educational toys make science and learning fun, and are the perfect STEM gifts for boys and girls. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

EXPLORE CRYSTAL CAVES - Geodes are naturally forming volcanic rocks that contain amazing crystal formations inside. Crack them open and discover beautiful minerals. PREMIUM QUALITY - National Geographic selects only the best geodes collected from multiple mines around the world, so youre guaranteed to find fascinating crystals. INSPIRING A GENERATION Kids love these treasure-filled rocks Encourage an appreciation of nature and geology in your child with this extraordinary science kit.. TEACHING SCIENCE - Learn all about geodes and minerals with the full-color educational Learning Guide included with this set. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

GROW VIBRANT COLORED CRYSTALS - Grow crystals in 3 amazing colors blue, purple, and green. With this engaging and educational science experiment for kids, chemistry has never been so fun and colorful. NIGHT LIGHT DISPLAY - Show off your crystals on the patent-pending light-up display. With 7 single color modes, rainbow color mode, and 3 brightness levels to choose from, your crystal treasures will shine. COMPLETE SCIENCE KIT Contains all you need Growing powder, clear seed rocks, growing chamber, light-up display, and easy-to-follow instructions. Our uniquely flexible growing chamber allows you to easily remove your crystals for display without damage. START A ROCK COLLECTION This kit comes with 3 real gemstone specimens, including a geode, green fluorite, and blue calcite, along with a detailed learning guide explaining how crystals grow and more Makes an excellent STEM gift for boys and girls.. AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience.

MASSIVE SCIENCE KIT FOR CURIOUS KIDS - More than 15 experiment activities including dueling water tornadoes, building an erupting volcano, growing a crystal, two geologic dig kits, and more. ENOUGH TO GO AROUND - This science lab allows kids to conduct multiple experiments and is great to share with family, friends, or classmates. Enjoy the magic of discovery together. THE SECRET IS THE SCIENCE - A detailed, full-color Learning Guide teaches the science at work in the experiments, allowing your child to develop a deep, lasting appreciation for a variety of Earth sciences.. HASSLE-FREE EXPERIMENTS - Clear, easy-to-follow instructions build young scientists' confidence as they experiment, allowing them to focus on the joy of exploration and discovery.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

EXCAVATE 10 GENUINE GEMS - This excavation science kit has 10 real gems for kids to dig out like a real geologist amethyst, geode, pyrite, rose quartz, gray agate, green aventurine, green fluorite, snowflake obsidian, sodalite tiger's eye.. IDENTIFY EACH GEMSTONE - A full-color identification sheet is included so kids can quickly and easily spot each gem in their new rock collection. The sheet also contains fascinating facts about each gemstone in the dig brick.. DIG WITH THE INCLUDED TOOLS - Just like a real geologist, kids can use the included tools to excavate their gems Includes an excavation tool and brush for digging, and a magnifying glass to view the natural beauty of each stone in detail.. START A ROCK COLLECTION - The Super Gemstone Dig Brick is the most fun way to get kids started with a rock collection This hands-on science kit promotes the wonder of discovery as kids dig out their gems, and can inspire a love of earth science.. AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience.

MAKE COOL, GLOWING ROCK CREATIONS - With this fun rock painting kit, kids can decorate 15 river rocks with 10 standard 5 glow-in-the-dark paints, brush, 30 googly eyes 2 sheets of transfer decals Create garden stones, story stones more. PAINT WITH 15 COLORS - Kids can express their creativity by painting their rocks with the 15 included paints Standard colors include yellow, black, red, white, blue, green, purple, orange, pink brown, with 5 glow-in-the-dark colors for accents. INCLUDES 30 GOOGLY EYES - This craft kit also includes 30 googly eyes kids can use to make their glow-in-the-dark creations silly and fun Kids can apply them easily to enhance their rock creations, adding to the fun and creativity. TRANSFER DECALS FOR EASY DECORATING Two sheets of transfer decals add to the fun and make it simple for kids to put more creative flair on their stones Just peel, stick, and wet the chosen design and watch it transfer like magic onto the rock. AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience.

STURDY TIGHT-FIT PIECES This construction kit is designed to fit together snuggly so your marble maze wont fall apart while you play. With 5 sturdy bases, 15 exciting action pieces, and 45 clear smooth-run track pieces, our kit has countless imaginative configurations.. GLOW-IN-THE-DARK MARBLES - This marble run kit includes 15 glow in the dark glass marbles in 6 colors Kids will love watching them glow as they zig-zag down their custom tracks. CONVENIENT STORAGE A large storage bag makes it easy to store all your marble run construction pieces and glow-in-the-dark marbles in one place.. GREAT STEM TOY The learning guide inside teaches about the physics of motion and aerodynamics. It also includes marble run construction experiments.. AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience.

MOTORIZED LIFT FOR ENDLESS RUNS - Features a motorized lift that carries your marbles up almost 20 inches and drop them onto the track Create a perpetual motion machine that continuously takes your marbles back to the top to launch again. 150-PIECE KIT FOR MASSIVE MAZES - With 106 construction pieces, 30 marbles, and the 14-piece spiral lift, you get everything you need to create endless configurations of marble runs A storage bag is also included to safely store your kit.. COMPATIBLE WITH NATIONAL GEOGRAPHIC MARBLE RUNS - Expand any National Geographic Glow-in-the-Dark Marble Run with this kit All pieces, including the spiral lift, work seamlessly with existing sets non-magnetic, so you can create even bigger runs. LEARN WITH NATIONAL GEOGRAPHIC - With National Geographic STEM toys, learning is always part of the fun The included Learning Guide contains fascinating facts about physics, motion, and more It also contains tips for building amazing marble runs. AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience.

FAST-GROWING CRYSTALS IN 8 COLORS - Blue, pink, red, purple, green, orange, yellow, and glow in the dark crystal chemistry has never been so fast grows in 3 - 4 days, fun, and colorful The perfect educational gift for boys and girls.. GROWING IS EASY Easy-to-follow instructions and the 2 included silicone growing chambers make growing your crystals easier than ever. NIGHT LIGHT DISPLAY Show off 5 of your favorite home-grown crystals in the USB-powered cable included light-up display This fun kids STEM activity can help inspire a lifelong love of science and learning.. INCLUDES REAL CRYSTAL SPECIMENS Start or expand your rock collection Comes with 5 real gemstone specimens quartz, rose quartz, fluorite, calcite, and amethyst. Learn about the gemstones in the kit with the included, full-color Learning Guide.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

DISCOVER CRYSTAL TREASURES - Give your child the thrill of digging in a real gem mine as they excavate real crystal treasures. This educational engaging activity emphasizes fun, exploration, and discovery. FIND 15 AMAZING GEMSTONES - Including pyrite, amethyst, tigers eye, fluorite, quartz, obsidian, aventurine, and more. Unlike other kids toys, the Mega Gemstone Dig Kit seamlessly blends educational value with fun. A COMPLETE LEARNING ACTIVITY This Mega Dig Kit includes everything you need to keep kids digging and learning for hours, including a dig brick packed with gemstones, a chisel, a brush, and a magnifying glass to inspect these amazing specimens. 16-PAGE, FULL-COLOR LEARNING GUIDE This full color, detailed learning guide illustrates how gemstones are formed and mined and helps young scientists identify each specimen as its discovered.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

THREE SCIENCE KITS IN ONE - This kit contains 45 of our most popular Earth science, chemistry, and science magic experiments along with a bonus guide that's packed with 30 additional experiments using common household items.. EXPLORE EARTH SCIENCES - Kids will build and erupt a volcano, grow a glow in the dark crystal, create water tornadoes, and dig up a real fossil They'll also receive an awesome selection of real rock, mineral, and crystal specimens for their collection.. DIVE INTO CHEMISTRY - The chemistry set in this kit has everything kids need to make gooey worms and worm eggs, create bubbling reactions, launch a rocket with gas, make pop crystal fireworks, and much more.. EXPERIENCE THE MAGIC OF SCIENCE - This kit also has a variety of science experiments that double as magic tricks. Some of the science magic kids will learn includes changing the color of water, catching bubbles in their hands, and making coins float. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

8 FASCINATING VARIETIES OF SLIME PUTTY - Including premade magnetic putty, fluffy slime, glow-in-the-dark putty, liquid slime, color-changing putty, snotty slime, bouncing putty, and 1 DIY glow-in-the-dark slime lab. This STEM kit makes a great gift for boys and girls. COMES WITH STORAGE TINS AND ACCESSORIES This kit comes with 8 storage tins to keep your slime and putty collection safe and organized. This fun and educational slime and putty lab can help inspire a lifelong love of science. EXPLORE THE SCIENCE Our full-color Learning Guide explores the fascinating science behind slimes and putties. Learn incredible facts about the ooey, gooey world of these squishy substances. QUALITY TESTED and NON-TOXIC These non-toxic formulas are tested and 100 safe for kids and adults. This kit makes an excellent STEM activity or gift for kids.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

KIDS WILL LOVE THIS MICROSCOPE - Large focus knobs, a soft-touch eyepiece, and an adjustable platform make it easy to keep specimens positioned just right. Three levels of magnification and lights above and below ensure a great view, every time. FASCINATING SPECIMENS - Kids get 6 prepared plant slides in this microscope kit, along with 6 rocks and minerals, and 6 blank slides to prepare at home They'll be entertained for hours as they explore the microscopic world with this STEM lab kit. A COMPLETE SCIENCE EXPERIMENT KIT - With a pipette, specimen dish, tweezers, and easy-to-follow instructions, kids will be able to conduct tons of science experiments, investigating the world around them just like real scientists. ENTERTAINING LAB GUIDE - Kids will use their microscope to the fullest with the included lab guide, which has viewing activities for several different types of specimens, a super scientist game, and merit badge stickers for a job well done. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

PROFESSIONAL TUMBLING - The Ultimate Tumbler delivers spectacular results with unparalleled ease of use With its large 2-pound barrel, 3 selectable speeds and timer with settings for days and hours.. QUIETEST TUMBLER - The Ultimate Rock Tumbler's all-new design includes a sound-dampening cover that makes tumbling quieter than ever, perfect for enthusiasts who tumble indoors, or in smaller or shared spaces.. ALL-IN-ONE TUMBLING KIT - This kit has everything you need to get started, including 1 pound of rough rocks, 4 bags of grit, 5 jewelry fastenings, a newly designed strainer, and our exclusive GemFoam rock polisher for a brilliant finish. USE GEMFOAM FOR DAZZLING RESULTS - Your tumbled rocks will have an incredible shine thanks to our reusable GemFoam rock polisher. Just add GemFoam and water to the barrel after your final tumbling stage for a brilliant finish. AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience.

A GREAT WAY TO LEARN GEOLOGY Kids will have a blast with this game set They'll play rock bingo, mineral memory, gem-tac-toe, trivia, and have a full deck of playing cards that can also be used as flash cards. STEM has never been so much fun. A HUGE ROCK COLLECTION In addition to all the fun games, kids will also receive 25 rock specimens and over 150 rock, mineral, and gemstone specimens The rocks and gems serve as game pieces, but also make a fun addition to any rock collection. EVERYTHING YOU NEED This kit has game boards, instructions, a specimen bag, and 52 playing cards with fascinating facts about the rocks and gems in the kit. The cards can be used in trivia, as flash cards, or as part of any traditional card game. A GREAT WAY TO PLAY TOGETHER Younger kids love memory games and older kids will be excited to play rock bingo and gemstone trivia games This is a great way for kids to learn and play together, and parents are certainly welcome in on the fun too. HIGH-QUALITY EDUCATIONAL TOYS - National Geographic is proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service..

ULTIMATE ROCK COLLECTION FOR KIDS - A perfect standalone collection or addition to any kids rock collection. Includes rough and polished samples of Aventurine, Rose Quartz, stunning Snowflake Obsidian, Desert Rose, Red Jasper, Blue Quartz, Pumice, and geode specimens as well. Makes an excellent STEM gift for girls and boys. GENUINE FOSSILS - real fossils include prehistoric shark teeth, coprolite fossilized dino poop, gastropods, ammonites, brachiopods, more. Included accessories let you sort and identify every rock, gemstone, mineral, and fossil in the collection.. REAL GEODES Discover crystals treasures Each kit contains one broken geode and two unbroken geode specimens for you to crack open yourself. Geology doesnt get more exciting than breaking open rocks and finding crystal treasures.. DISPLAY YOUR FAVORITES Show off your favorite rock, crystal, and fossil specimens in the included case Keep the rest of your treasures safe in the included storage bag.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

QUALITY GRIT RESULTS IN A DAZZLING POLISH - The rock polishing grit in this pack is high-quality silicon carbide and will polish 8-10 lbs of rocks, includes measuring scoop and storage containers with secure screw-top closures for easy storage. IMPROVE YOUR ROCK TUMBLING RESULTS Ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage, and acting as a filler for smaller batches. BRAND NEW WAY TO MAKE TUMBLED ROCKS SHINE GemFoam is a unique new rock polisher media that gives unprecedented shine to tumbled rocks. Just add the patent-pending rock polishing media to your tumbler after the final grit cycle for great results. WORKS WITH ANY ROCK TUMBLER The tumbling supplies in this set are safe to use with any rock tumbler. The tumbling grit, ceramic pellets, and GemFoam together improve rock tumbling performance and yield impressive results. HIGH-QUALITY EDUCATIONAL TOYS - National Geographic is proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service..

POLISH INCREDIBLE ROCKS FROM MADAGASCAR - You'll have plenty of tumbling to do with 3 pounds of rocks from Madagascar. This rock refill pack can include rose quartz, jasper, and more. It's an awesome assortment of rocks you will treasure forever. QUALITY GRIT RESULTS IN A DAZZLING POLISH - The rock polishing grit in this pack is high-quality silicon carbide and will polish 8-10 lbs of rocks, includes measuring scoop and storage containers with secure screw-top closures for easy storage. IMPROVE YOUR ROCK TUMBLING RESULTS - Ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage, and acting as a filler for smaller batches. A BRAND NEW WAY TO MAKE TUMBLED ROCKS SHINE - GemFoam is a unique new rock polisher media that gives unprecedented shine to tumbled rocks. Just add the patent-pending rock polishing media to your tumbler after the final grit cycle for great results. SATISFACTION GUARANTEED - The National Geographic STEM series provides high-quality products that are a whole lot of fun If your experience is anything less than extraordinary, let us know so we can make it right for you..

GEMSTONES OF 9 VARIETIES - Tiger's Eye, Amethyst, Aventurine, Rose Quartz, Red Jasper, Agate, Sodalite, Dalmatian Jasper, Hematite 1 lb. total. FOUR GRADES OF GRIT - Coarse, medium, fine, polish. Transform your stones from rough rocks to dazzling gemstones. JEWELRY FASTENINGS - 1 necklace, 1 set of earrings, 1 keychain, 1 ring. Create custom jewelry from your newly polished gemstones. DETAILED LEARNING GUIDE - Our learning guide will teach you all about these unique gemstone specimens and includes many amazing and fascinating facts.. SATISFACTION GUARANTEED The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun If your experience is anything less than extraordinary, let us know so we can make it right for you..

TAKE OUTDOOR FUN TO NEW HEIGHTS - Our rechargeable, motorized, patent-pending rocket toy soars up to 200 ft. with up to 20 flights on a single charge.. 3 FLIGHT SETTINGS - Launch your rocket to 3 different heights with a simple push of a button. Your rocket will fly for shorter or longer depending on the mode selected, achieving more altitude the longer it flies. EASY TO FLY WITH SAFE LANDING - The innovative design includes helicopter-like rotor blades that extend and safely return your motorized rocket to the ground.. EVERYTHING YOU NEED TO LAUNCH - This exciting kids outdoor toy includes launch pad, charging cable and decals for kids to give their electric rocket a custom look.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

FIND BURIED TREASURE This metal detector kit is the perfect tool for a treasure-hunting expedition The 7.4 dual coil is waterproof up to 4 and can detect objects up to 4 deep. It's perfect as a beach metal detector. EASY TO USE Simple operation makes it easy for kids to start treasure hunting Just turn it on and start searching, and when a metal object is detected, LED and audio alerts will let them know to look further. DESIGNED FOR KIDS Kids can find the perfect fit with the adjustable arm length, while the comfort grip makes it easy for young treasure hunters to use for hours. Weighing just 1.2 pounds, kids can spend the whole day detecting. METAL DETECTOR ACCESSORIES INCLUDED - A heavy-duty trowel is included that makes digging up hidden treasure super easy With the detailed, full-color Learning Guide, kids can learn about the history of metal detecting and more. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

5 CRYSTAL-GROWING ACTIVITIES This ultimate crystal kit lets kids safely grow five unique types of crystals a mini crystal, a dinosaur-shaped crystal, a glow-in-the-dark crystal, 2 crystal trees, and awesome underwater crystals. GLOW-IN-THE-DARK CRYSTAL Grow a luminous crystal that shines in the dark, making science fun even after the lights go out.. UNDERWATER CRYSTALS Kids will love watching 4 vibrant crystals grow right before their eyes in a safe, immersive underwater environment. CRYSTAL TREES DINOSAUR Grow a sparkling crystal-covered dinosaur figure and 2 colorful crystal trees for an eye-catching display.. ALL-INCLUSIVE EDUCATIONAL SCIENCE KIT Includes crystal solutions, crystal-growing stones, display container, dinosaur mold, tree forms, safety gear, kid-friendly instructions an educational Learning Guide filled with cool facts about crystals. AWARD-WINNING PRODUCTS Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience.

PUT A DAZZLING POLISH ON YOUR ROCKS with Polly Plastics rock tumbler grit and polish refill. Our one-of-a-kind rock polisher kit contains four different kinds of grits to provide initial shaping, smoothen the rock surface, pre-polish the rocks and finally polish the rocks for a professional-looking finish. Great for kids and adults alike.. PACKAGE INCLUDES - 1 lb. 6090 coarse silicon carbide grit, 1 lb. 180220 medium silicon carbide grit, lb. 500 fine silicon carbide, lb 1200 aluminum oxide polish, 1.5 lbs. non-abrasive ceramic filler cylinders and an easy-to-follow instructions manual. Polly Plastics also have 2-pack grit and polish refills available for each stage of the rock tumbling process, refills of our ceramic media and many more rock tumbling products. Check out our storefront.. GRIT SOLD BY WEIGHT NEEDED FOR EACH STEP Steps 1 2 are 1 lb. each and steps 3 4 are lb. each, but all are sold in the same size jars for packaging consistency. The different weights, along with different densities, will mean that jars of rock tumbling grit will not have equal amounts of fullness.. WORKS WITH ALL ROCK TUMBLERS - For ease of use and convenience, our rock tumbling grits work with all brands of tumbler. Our rock tumbler grit and polish kit is ideal for use in a 5 lb. tumbler or five 3 lb. tumblers. Premium rock polishing grit kit - Made in the USA.. CERAMIC FILLER MEDIA to cushion soft, delicate and brittle rocks Ensure your precious stones remain unscathed while tumbling. This tumbling grit kit includes 1.5 pounds of small, angle-cut ceramic rock tumbler media that fill gaps between rocks to protect and pillow your rocks during tumbling - a great alternative to plastic pellets. The ceramic filling media can be washed and reused over and over..

Large 17lb Capacity Stainless Steel hexagon drum with removable rubber liner. Heavy Duty Powder Coating. Fan cooled motor made ideally for Rock Tumbling. Most durable of its class. Quiet rock tumbler. Care instructions Hand Wash Only.

Professional-Grade Performance For Serious Hobbyists Designed for adults, hobbyists, and collectors who want more than basic entry-level tumblers. This professional rock tumbler kit combines precision control, durable construction, and reliable performance to help achieve consistent polishing results through every stage of the tumbling process. Ideal for polishing agates, jasper, tiger eye, quartz, and other popular gemstones.. Brushless Motor Heavy-Duty Metal Base Built To Last Unlike traditional brushed motors that generate heat, carbon dust, and performance loss over time, the advanced brushless motor delivers stable power with reduced heat buildup for extended tumbling cycles. Combined with a reinforced heavy-duty metal base, this metal rock tumbler provides improved stability, reduced vibration, and long-term durability. Trusted by over 1 million users across KomeStone brushless rock tumbler models.. 4lb Large-Capacity Rubber Barrel 75 Quieter For Home The extra-large 4LB barrel handles larger batches of stones while reducing noise by up to 75 compared to plastic barrels. Made from durable tire-grade rubber, it absorbs vibration and helps create a quieter tumbling experience during multi-day polishing cycles. Ideal for garages, hobby rooms, workshops, and other indoor spaces.. Smart Control 3 Speeds, 9-Day Timer, Auto Shutoff Memory Function Fine-tune every polishing stage with three adjustable speeds and a programmable 9-day timer. Auto shutoff powers the machine down automatically when the cycle is complete, while memory function resumes operation using your previous settings after pauses or inspections. Designed for safer and more convenient unattended operation throughout long polishing projects.. Complete Rock Tumbler Kit Ready To Start Polishing Everything needed to begin tumbling right out of the box. Includes a 4LB rubber barrel, premium rough gemstones, 4-stage silicon carbide polishing grit set 4 bags, 2 spare drive belts, jewelry findings, mesh strainer, screwdriver, and a full-color instruction guide. Whether you're upgrading from a smaller tumbler or starting a new project, this complete kit helps you achieve professional-quality polishing results from day one.. Long-term tumbling under heavy loads can cause natural wear on belts over time. Reach out to our support team to request 5 extra belts absolutely free ... - - Enjoy peace of mind with our extended 90-day refund guarantee and 1-year warranty. If you miss Amazon's 30-day return window, simply contact our - team for - .. KomeStone Built for Rock Tumbling Enthusiasts in the U.S. From the popular K1 series to upgraded brushless motor models, KomeStone focuses on dependable performance and user-friendly design. Our lineup covers different needs K Series K1, K1 Pro, K2 Elite low-noise, K4 dual-barrel, K5 beginner-friendly G Series G1 4LB, G2 8LB, G3 22LB heavy-duty. We also offer a complete multi-stage grit system. KomeStone is committed to reliable tools and ongoing support for rock tumbling hobbyists..

Belt-Free Direct-Drive Motor This rock tumbler kit uses a low-voltage direct-drive motor for smoother, more efficient polishing without belt transmission, eliminating belt wear and replacement while reducing maintenance costs. It runs at 35 dB, letting you enjoy a quiet and comfortable creative experience. Even Polishing Results This rock polishing kit comes with 8 types of rough stones, each with unique textures and colors. Whether you are a beginner or an experienced enthusiast, it helps you transform rough stones into beautiful gems, bringing out their natural shine and beauty. Flexible Adjustment Our stone tumbler features a 1- to 9- day timer and 4 speed levels ranging from 75 RPM to 120 RPM, meeting polishing needs for different materials and stages. With overload protection and power-off memory, it automatically resumes the remaining cycle after outages. The constant-speed design ensures more uniform and consistent results. High Load Capacity This rock polisher comes with a 2 lbs heavy-load barrel that holds more rocks at once, greatly improving polishing efficiency. The large capacity saves time, ensures even polishing, and reduces frequent refills for easier operation. Complete Kit The rock tumbler kit ncludes manual, assorted rough stones, round abrasives, microcrystalline silicon carbide, polishing powder, filter sieve, hollow shaker balls, single rings, pendant cords, flat ring bases, and adapter. With all accessories provided, it is perfect for home crafting or parent-child activities, letting you fully enjoy the transformation from rough stones to sparkling gems.

Easy to Create Your Gemstones - Rock tumblers for adults are a fantastic and exciting activity for all ages. You can definitely use rocks you find at parks or gem mines Just make sure they're non-porous, reasonably hard, and sized under 1.5 inches for this tumbler.. Many types of rocks can be polished successfully in a rock tumbler The VIYUKI Rock Tumbler Kit you're looking at can handle various rock types. Rock Tumbler Easy to Set Up The VIYUKI Rock Tumbler Kit comes fully assembled and ready to useno assembly required. Unbox it, add your rocks and grit, and start tumbling. 6LB rock tumbler machine, the ease and straightforwardness of setting up. The full-color instruction guide walks you through each step, making it perfect for beginners. Complete Rock Tumbler Kit Rock tumbler for adults, Includes rock stone tumbler base, Replacement tumbler belt5pc, 6-pound capacity barrel for grinding more Stones,2 bag assorted gems 2Lb920g8 bags polishing grits for 4 Steps,5 jewelry settings, extra screwdrivermesh stranier and 1 operating detailed instruction guide. That will ensure a great finished product.. 3LB 2 Rock Tumbler Easy to Use Simple hobby rock tumbler kit and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, set it, and forget it This is an ideal Christmas gift for adults. A Fun and Educational Gift Rough gemstones for a rock tumbler, make any stone sparkle, and polish everyday rocks into dazzling gemstones It fascinates adults when they open the box. It fosters a love for science, geology, and mineralogy in a fun and exciting way.This gives parents confidence during holiday gift shopping, especially for STEM-minded kids and family creators.. Official VIYUKI Warranty ? - - . Your purchase is protected by VIYUKI official - and a - - ?. Shop with confidence were here to support your tumbling journey.Note detailed setup videos and FAQs..

Create Your Gemstones Best rock tumblers make any stone sparkle and polish everyday rocks into dazzling gemstones This rock tumbler kit makes it fun and easy to turn rough rocks into shiny, polished gemstones, thanks to its simple operation and durable design.. Control with 3 Speeds 7-Day Timer The digital panel gives you full control over every stage. Choose from 3 speed levels, program up to 7 days, and enjoy features like auto shutoff, memory recall, and a polishing progress log. Ideal for repeatable, hands-free use, this polishing machine delivers consistent results.. Complete Hobby Tumbling Kit Tumbler kit includes low-noise barrel, polishing grits4 bags , rough gemstones 0.5 lb in a bag, jewelry fastenings, extra screwdrivermesh strainer, and a detailed operating instruction. Sturdy and holds a good amount of rocks. Quiet rubber drum.. Easy to Use Rock tumblers are small machines, usually small enough to rest on a tabletop. Rotary tumblers' simple instructions and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, set it and forget it Ideal gift for interested found exploring nature.. A Fun and Educational Hobby For All Ages No matter how old you are, rock collecting can be a fun, interesting hobby. It doesnt require any special knowledge all you have to do is find a few rocks that catch your eye in your yard, and youre ready to go but you can learn quite a bit along the way about different types of rocks and how theyre formed.. Official VIYUKI Warranty ? - - . Your purchase is protected by VIYUKI official - and a - - ?. Shop with confidence were here to support your tumbling journey..

EVERYTHING YOU NEED Tumbling machine, 9 types of rough gemstones 0.5 lb, four polishing grits, jewelry fastenings, educational guide, instructions. BUILT TO LAST - This high-quality metal tumbler has a powerful motor, noise reducing leak-proof barrel and comes backed by a 2-year warranty.. PERFECT FOR BEGINNERS Easy to operate Features an automatic shutoff timer so you can get bigger results and save energy. EXPLORE CRYSTAL CAVES Geodes are naturally forming volcanic rocks that contain amazing crystal formations. Crack them open and discover beautiful minerals. PREMIUM QUALITY National Geographic selects only the best geodes collected from multiple mines, so youre guaranteed to find stunning crystals. INSPIRING A GENERATION Kids love these treasure filled rocks Promote an appreciation of nature and geology in your child with this fun science kit.

This amazing collection is sure to impress any rock hound.. Comes with National Geographic's best selling Rock Tumbler, Gemstone Dig Kit, and Geode Crystal Set. Everything is included These kits are complete stand alone items that come with everything you need to grow an awesome rock collection.. This bundle comes with National Geographic's 100 Satisfaction Guarantee.. Tons of extras - each kit is packed full of fun extras including rough rocks for tumbling, safety goggles, display stands, adventure guides and lots more..