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💎 Turn Rough Rocks into Polished Perfection — Join the Elite Rock Tumbling Movement!
The KoolStone C1 Rock Tumbler is a professional-grade, beginner-friendly kit featuring a large 2.5LB rubber barrel that operates 75% quieter than typical models. It offers precise tumbling control with 3 adjustable speeds and a 9-day timer with memory and auto shutoff. This all-in-one kit includes assorted rough stones, polishing grits, ceramic media, spare belts, and jewelry fastenings, supported by a 1-year warranty and 90-day money-back guarantee—ideal for STEM enthusiasts and hobbyists eager to transform ordinary rocks into stunning polished gems.
| ASIN | B09YM33DGD |
| Age Range Description | Suitable for children aged 13 and above |
| Best Sellers Rank | #4,990 in Toys & Games ( See Top 100 in Toys & Games ) #3 in Kids' Rock Tumblers |
| Brand Name | KoolStone |
| Color | Brush Edition: C1 |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,793) |
| Educational Objective | STEM |
| 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 |
| Indoor Outdoor Usage | Indoor |
| Is Assembly Required | No |
| Item Dimensions | 11.22 x 9.02 x 5.71 inches |
| Item Type Name | Rock Tumbler |
| Item Weight | 2.84 Kilograms |
| Manufacturer | KoolStone |
| Manufacturer Maximum Age (MONTHS) | 1188.0 |
| Manufacturer Minimum Age (MONTHS) | 156.0 |
| Manufacturer Part Number | KS20220422 |
| 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: [email protected] to take the replacement. 3.) Any problems before purchasing, please reach out at: [email protected] to get the answer. |
| Model Number | KS20220422 |
| Number of Batteries | 1 AA batteries required. |
| Number of Players | 1 |
| Operation Mode | Manual |
| Power Source | AC Adapter |
| Set Name | C1 Rock Tumbler Kit |
| Size | Large |
| Supported Battery Types | No batteries required |
| Theme | Perfect gift for rock lovers and hobbyists to create stunning polished stones. |
| Unit Count | 1 Count |
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