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💎 Turn rough rocks into dazzling gems—because your collection deserves to shine!
The National Geographic Professional Rock Tumbler Kit features a rugged, leak-proof 2 lb. barrel with patented rollers and a 3-speed motor paired with a programmable 9-day timer. It operates 75% quieter than typical tumblers and includes 1 lb. of rough stones, multiple grit levels, jewelry fastenings, and the exclusive reusable GemFoam polisher for brilliant shine. Perfect for STEM enthusiasts and hobbyists seeking a premium, educational rock tumbling experience.
| Product Dimensions | 40.79 x 27.51 x 14 cm; 2.88 kg |
| Manufacturer recommended age | 8 years and up |
| Item model number | NGPROTUM5 |
| Educational Objective(s) | STEM |
| Assembly Required | No |
| Batteries Required? | Yes |
| Batteries Included? | No |
| Material Type(s) | Multiple |
| Color | Black |
| ASIN | B0BSP9ZQWW |
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