New
Arrivals/Restock
C1 Rock Tumbler Kit - Professional Large 2.5LB Capacity, Up to 5X More Noise Cancelling, Adjustable Timer & Speed with Full Accessories & Memory Function
5.0 (76 items)
Limited Time SaleUntil the end
11
49
34
US$33.58 cheaper than the new price!!
Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Free cash-on-delivery fees for purchases over $99
See all stores
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
Used US$22.39
Product details
| Management number | 209002702 | Release Date | 2026/03/29 | List Price | US$22.39 | Model Number | 209002702 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- KoolStone C1 Series – 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. From the classic C1 to the Pro, Pro Max, and Pro Ultra, KoolStone continues to evolve with exclusive designs and upgraded performance for every rock enthusiast — ready to start your rock tumbling journey.
- 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 -- The updated KoolStone Rock Tumbler features a large 2.5LB barrel, perfect for polishing multiple stones in one batch. Holds more rocks than most beginner tumblers. The rubber barrel is 75% quieter than typical plastic barrels, making it ideal for home or classroom use.
- 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. A complete polishing cycle usually takes 3–4 weeks, during which stones gradually become smoother and slightly smaller.
- 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).
- Official KoolStone Warranty – 𝟏 𝐘𝐞𝐚𝐫 𝐂𝐨𝐯𝐞𝐫𝐚𝐠𝐞 & 𝟗𝟎-𝐃𝐚𝐲 𝐑𝐢𝐬𝐤-𝐅𝐫𝐞𝐞 𝐓𝐫𝐢𝐚𝐥. Your purchase is protected by KoolStone’s official 𝟏-𝐲𝐞𝐚𝐫 𝐰𝐚𝐫𝐫𝐚𝐧𝐭𝐲 and a 𝟗𝟎-𝐝𝐚𝐲 𝐦𝐨𝐧𝐞𝐲-𝐛𝐚𝐜𝐤 𝐠𝐮𝐚𝐫𝐚𝐧𝐭𝐞𝐞. Shop with confidence — we’re here to support your tumbling journey.
- Easy Maintenance – The durable drive belt is designed to be replaceable, making maintenance simple and extending the life of your rock tumbler.
| Size | Large |
|---|---|
| Color | Brush Edition: C1 |
| Theme | Perfect gift for rock lovers and hobbyists to create stunning polished stones. |
| Set Name | C1 Rock Tumbler Kit |
| Brand Name | KoolStone |
| Unit Count | 1 Count |
| Item Weight | 2.84 Kilograms |
| Manufacturer | KoolStone |
| Model Number | KS20220422 |
| Power Source | AC Adapter |
| Material Type | 1.）Tyre grade rubber barrel and top-quality stainless steel. 2.) If you received the package and missing parts or damaged, no worries, please feel free to reach out at: support@ikoolstone.com to take the replacement. 3.) Any problems before purchasing, please reach out at: support@ikoolstone.com to get the answer. |
| Item Type Name | Rock Tumbler |
| Operation Mode | Manual |
| Item Dimensions | 11.22 x 9.02 x 5.71 inches |
| Number of Players | 1 |
| Included Components | 1-Year Warranty Card, Illustrated Learning Booklet, 1A Power Adapter, Jewelry Fastenings, Mesh Strainer, Screwdriver, 1LB Assorted Rough Rocks, 3 Belts for Spare Use, 4 Bags of Polishing Grits, 1 Bottle Ceramic Tumbling Media, Rock Tumbler Base, 2.5LB Capacity Rubber Barrel |
| Number of Batteries | 1 AA batteries required. |
| Indoor Outdoor Usage | Indoor |
| Is Assembly Required | No |
| Age Range Description | Suitable for children aged 13 and above |
| Educational Objective | STEM |
| Supported Battery Types | No batteries required |
| Manufacturer Part Number | KS20220422 |
| Manufacturer Maximum Age MONTHS | 1188.0 |
| Manufacturer Minimum Age MONTHS | 156.0 |
Bestseller ranking
Rock Tumblers
Correction of product information
If you notice any omissions or errors in the product information on this page, please use the correction request form below.
Correction Request Form