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Pop Expert have put together this list of the top 10 selling Rock Tumblers on Amazon – sorted by overall popularity and positive consumer reviews.
The Pop Expert list of top selling Rock Tumblers is the ideal place to start when you are trying to find the Best Rock Tumblers for your neeeds.
Popular Rock Tumblers on Amazon
Details on the Best Rock Tumblers
On Sale!Bestseller No. 1
Rock Tumbler Kit, K1 Professional Large 2.5LB Capacity Edition - Memory Function, Digital Timer & Variable Speeds: Create Stunning Gems Full Accessories Included
- 𝟗𝟎-𝐃𝐚𝐲 𝐒𝐚𝐭𝐢𝐬𝐟𝐚𝐜𝐭𝐢𝐨𝐧 𝐆𝐮𝐚𝐫𝐚𝐧𝐭𝐞𝐞 & 𝟏-𝐘𝐞𝐚𝐫 𝐖𝐚𝐫𝐫𝐚𝐧𝐭𝐲: 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 𝐔𝐒-𝐛𝐚𝐬𝐞𝐝 𝐜𝐮𝐬𝐭𝐨𝐦𝐞𝐫 𝐬𝐞𝐫𝐯𝐢𝐜𝐞 team for 𝐡𝐚𝐬𝐬𝐥𝐞-𝐟𝐫𝐞𝐞 𝐫𝐞𝐩𝐥𝐚𝐜𝐞𝐦𝐞𝐧𝐭 𝐨𝐫 𝐫𝐞𝐟𝐮𝐧𝐝 𝐚𝐬𝐬𝐢𝐬𝐭𝐚𝐧𝐜𝐞. We offer 𝟐𝟒/𝟕 𝐜𝐥𝐚𝐢𝐦 𝐬𝐮𝐩𝐩𝐨𝐫𝐭 to ensure your complete satisfaction.
- DIVE INTO THE FUN ROCK TUMBLING: KomeStone rock tumbler is for turning rough raw rocks into smooth gemstones. You’ll be excited to see the rocks change with each cycle—a great lesson in patience for kids or inspiration for jewelry-making moms.
- 2025 NEW UPGRADE & ADVANCED FEATURES:Elevate your tumbling with a built-in LCD screen, 9-day timer, 3-speed controls, and pause/resume function. Features a thickened rubber barrel for durability and custom polishing recipes for brighter gems.
- 2.5 LB EXTRA LARGE CAPACITY & QUIETER: Our 100% soft rubber barrel absorbs impact, reducing noise by 75% (like a dishwasher). Polish 2.5x more rocks than 1 lb barrels—perfect for serious hobbyists.
- COMES WITH EVERYTHING YOU NEED: Includes: tumbler, barrel, 1lb rough rocks, 6 belts, 4 grits, ceramic media (as a gift in package), and a full-color guide so simple even a 4-year-old can use it independently.
$93.30
−$37.35
More Details
Bestseller No. 2
Blue Marble National Geographic Rock Tumbler Kit – Hobby Edition Includes Rough Gemstones, and 4 Polishing Grits, Great STEM Science Kit for Geology Enthusiasts, Rock Polisher for Kids and Adults
- 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 that’s 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.
- 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!
Bestseller No. 3
KomeStone K2 Elite Professional Rock Tumbler Kit, Ultra Quiet & Cutting Edge Brushless Motor Rock Polisher for Adults & Rock Collector, Noise-Reduction, Extra Large 3 Lbs Barrel, STEM Gift for All Age
- 𝟗𝟎-𝐃𝐚𝐲 𝐒𝐚𝐭𝐢𝐬𝐟𝐚𝐜𝐭𝐢𝐨𝐧 𝐆𝐮𝐚𝐫𝐚𝐧𝐭𝐞𝐞 & 𝟏-𝐘𝐞𝐚𝐫 𝐖𝐚𝐫𝐫𝐚𝐧𝐭𝐲: 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 𝐔𝐒-𝐛𝐚𝐬𝐞𝐝 𝐜𝐮𝐬𝐭𝐨𝐦𝐞𝐫 𝐬𝐞𝐫𝐯𝐢𝐜𝐞 team for 𝐡𝐚𝐬𝐬𝐥𝐞-𝐟𝐫𝐞𝐞 𝐫𝐞𝐩𝐥𝐚𝐜𝐞𝐦𝐞𝐧𝐭 𝐨𝐫 𝐫𝐞𝐟𝐮𝐧𝐝 𝐚𝐬𝐬𝐢𝐬𝐭𝐚𝐧𝐜𝐞. We offer 𝟐𝟒/𝟕 𝐜𝐥𝐚𝐢𝐦 𝐬𝐮𝐩𝐩𝐨𝐫𝐭 to ensure your complete satisfaction.
- DIVE INTO THE FUN ROCK TUMBLING: KomeStone rock tumbler is for turning rough raw rocks into smooth gemstones. You’ll be excited to see the rocks change with each cycle—a great lesson in patience for kids or inspiration for jewelry-making moms.
- 2025 NEW UPGRADE & ADVANCED FEATURES: This K2 Elite rock tumbler stands out as the sole option to feature a cutting-edge brushless motor and noise-reduction function among high-end models. This makes it an ideal choice for users sensitive to noise and those who prefer tumbling indoors, even in smaller or shared spaces. Additionally, you'll appreciate the benefits of receiving original manufacturer and brand-direct troubleshooting support, as well as lifetime accessory replacement services.
- 3 LBS EXTRA LARGE CAPACITY & ULTRA QUIETER: Our rock tumbler features 100% soft rubber barrels that effectively absorb the impact of tumbling rocks, resulting in an ultra-quiet operation comparable to a working dishwasher. The generously-sized 3 lbs barrel allows you to polish a larger quantity of rocks in each batch.
- COMES WITH EVERYTHING YOU NEED FOR ROCKS TUMBING: Including the tumbler machine, 3 lbs barrel, 1 lb rough rocks, 1 extra belt (2 in total, one is on the wheel), 4 polishing grits and other accessories. Notably, it also includes a full-color instruction book that provides detailed and easy-to-follow guidance. Even an 8-year-old child can independently learn how to use it with clarity.
On Sale!Bestseller No. 4
C1 Rock Tumbler Kit - Professional Large 2.5LB Capacity, Up to 5X More Noise Cancelling, Adjustable Timer & Speed with Full Accessories & Memory Function, Ideal for Adults Kids
- KoolStone Classic – Trusted by Beginners, Backed by Experts. Start your rock tumbling journey with KoolStone, the brand trusted by thousands of families and hobbyists. The C1 Rock Tumbler is a classic model that balances reliable performance with all-in-one convenience — officially supported and ready to go.
- START A TUMBLING JOURNEY -- C1 Rock Tumbler turn rough rocks into polished gems, then you will be very excited to see the stones change with each cycle. That's a fun process of rock tumbling and a family little project for parent-child endeavor.
- 2.5LB LARGE CAPACITY & 75% QUIETER -- An updated features is that KoolStone Rock Tumbler has a large 2.5LB capacity. Which allows to tumbler more rocks each time. Another improvement is the quieter barrel. Rubber material which has 75% quieter than most plastic barrel.
- FASTER POLISHING TIME & BETTER POLISHING RESULTS -- 3-speed controls (providing more granular tumbling results), a 9-day timer (with automatic shutoff feature and memory function), all displayed on clear screen, letting you easily hone your settings for precise tumbling each time.
- EVERYTHING YOU NEED FOR TUMBLING IS HERE -- C1 Rock Tumbler has everything you need to create polished gemstones. Rock tumbler, 2.5LB capacity rubber barrel, 1LB for 9 different types of rough gemstones, 3 belts and 4 polishing grits and ceramic contact media, sifter, jewelry fastenings, and illustrated tutorial guide. For longer use and better results, pair it with KoolStone’s 4LB Professional Polishing Grit (sold separately).
$79.98
−$24.03
More Details
Bestseller No. 5
National Geographic Rock Tumbler Kit - 3 Lb. Extra Large Capacity Barrel with 3-Speed Motor & 9-Day Timer, Kit Includes Rocks for Tumbling and Rock Polisher Grit, Rock Tumbler for Adults and Kids
- 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 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 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!
- 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!
Newest Rock Tumblers
New
KomeStone Upgraded PU Belt 2-Pack – Durable Replacement Belt K1, K1 Pro, K3 Rock Tumblers – Compatible Rock Tumbler Models
- 𝐔𝐩𝐠𝐫𝐚𝐝𝐞𝐝 𝐃𝐮𝐫𝐚𝐛𝐢𝐥𝐢𝐭𝐲 & 𝐒𝐭𝐫𝐞𝐧𝐠𝐭𝐡: Our enhanced PU belt is designed to be stronger and more durable, ensuring long-lasting performance for your rock tumbler. It offers superior reliability, giving you peace of mind while tumbling.
- 𝐂𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐥𝐞 𝐌𝐨𝐝𝐞𝐥𝐬: This PU belt is specifically designed for KomeStone Rock Tumblers, including models K1, K1 Pro, and K3. Please note, it is NOT compatible with the K2 Elite.
- 𝐒𝐚𝐦𝐞 𝐅𝐮𝐧𝐜𝐭𝐢𝐨𝐧𝐚𝐥𝐢𝐭𝐲 𝐚𝐬 𝐎𝐫𝐢𝐠𝐢𝐧𝐚𝐥: This upgraded PU belt maintains the same functionality as the original rubber belt, providing the same dependable performance you’ve come to trust.
- 𝐂𝐨𝐧𝐯𝐞𝐧𝐢𝐞𝐧𝐭 𝟐-𝐏𝐚𝐜𝐤: Each package includes 2 PU belts for added convenience. You can also purchase an extra set to have on hand as a backup. Always double-check your rock tumbler model to ensure compatibility.
- 𝐂𝐮𝐬𝐭𝐨𝐦𝐞𝐫 𝐒𝐚𝐭𝐢𝐬𝐟𝐚𝐜𝐭𝐢𝐨𝐧 𝐆𝐮𝐚𝐫𝐚𝐧𝐭𝐞𝐞𝐝: If you experience any quality issues, please don’t hesitate to reach out to us. We are committed to offering the best solution and ensuring your satisfaction.
New
12 lbs Rock Tumbler Grit for Step 1 Tumbling Stones, Tumbler Media Grit,Rock Polishing Grit Media, Works with Any Rock Tumbler, Rock Polisher, Stone Polisher,COARSE 60/90 Silicon Carbide Grit
- HIGH QUALITY: 12 lb.60/90 Coarse Silicon Carbide Grit , Step 1 initial shaping
- Buying large packaging is more cost-effective.
- Compatible with ANY BRAND OF Rock Tumbler.
- It is packed in a sturdy plastic bucket for easy carrying and use.
New
Rock Tumbler Kit, Enjoy 7-Days Polishing for DIY Stones, Professional Rock Polisher with Rough Gemstones and 4 Polishing Grits Science Kit for Kids and Adults Love Geology
- 【Complete Set for User】The Azefun Rock Tumbler kit comes with everything you need to polish stones, including a rock tumbler, 4 pcs polishing grits, various rough rocks, jewelry fastenings, a tube of glue, and a detailed instruction manual.
- 【User-Friendly Design】The rock tumbler barrel lid is easy to twist without getting hurt, and the whole operation is highly sealed without worrying about water leakage. The anti-skid pads on the bottom four corners ensure stable operation without shifting. The barrel base's groove handle helps you hold the machine easily.
- 【Customizable Grinding Time】This rock tumbler allows you to set the grinding time according to your preference, ranging from 1 to 7 days. This feature gives you full control over the polishing process, ensuring optimal results for different types of gemstones.
- 【Start a Tumblering Journey】Azefun rock tumbler is for turning rough raw rocks into smooth gemstones, you will be very excited to see the rocks changes with each cycle. That will be a good lesson on patience and geology for kids.
- 【Fun Gift for Adults and Children】Whether you're looking for a fun and educational activity for kids or a unique and creative hobby for adults, the Azefun Rock Tumbler kit is the perfect choice. It is a good gift for adults and children over 8 years old.
New
WinHand Rock Tumbler Kit for Adults and Kids - with Noise Reduction Cover, Speed & Timer Control, Includes 4 Polishing Grits, Rough Gemstones etc, Science Gift for All Ages. (Blue)
- NEW UPGRADE DUAL NOISE-CANCELLING FUNCTIONS - WinHand professional rock tumbler has the biggest advantage: Noise Reduction! The rock polisher tumbler with cover is 40.6% quieter than others, and the tire rubber is 75% quieter than plastic barrels.
- EASY TO USE & EDUCATION - Digital 2-Speed setting & 7-day timer, There are 3 processes in Setting for grinding stones(according to instructions). The rock tumbler with color printing instructions leads you to operate the tumbler machine step-by-step, telling you the fascinating story of the gemstones, which is a good material to read for your kids, A Great STEM Activity.
- DURABLE ROCK TUMBLER - The upgraded leak-proof barrel is lined with rubber designed for staying sturdy and quiet. This is a high-quality rock tumbler that lasts for many years.
- MAKE YOUR OWN GEMSTONES - Enjoying the tumbling process! There is an entire process that rough rocks go through in order to become shiny stones. It is the time you have wasted on your stone that makes your stone so important!
- ROCK TUMBLER KIT - The rock tumbler set comes with everything you need, including a 1 LB capacity tumbler barrel(It's recommended to tumble not more than 0.9lb rocks each time; Make sure its polishing effects.), 2 bags of rough gemstones, 4 polishing grits, 2 polishing sponge blocks, 1 Filter, 1 Bags of accessories, 1 Power adapter, and a detailed learning guide. A Perfect gift for adults and Kids!
New
Bar27 Brand 10 Pack Repalcement Drive Belts for Chicago Electric Central Machinery ABN Viyuki Rock Tumblers
- Long Lasting
- USA Company
- Longest warranty in the industry, 90 days through our site.
- Number one selling brand
- High grade components