








💎 Turn rough stones into polished gems — your personal treasure trove awaits!
The National Geographic Professional Rock Tumbler Kit is a complete, high-quality STEM science set featuring a durable, leak-proof barrel with a quiet motor and power-saving auto shutoff. It includes 453g of nine different rough gemstones, four grit stages, and patented GemFoam polish for a dazzling finish. Perfect for creating custom jewelry and fostering geological exploration and logical thinking.





| Product Dimensions | 32 x 17 x 26 cm; 3.04 kg |
| Manufacturer recommended age | 0 - 10 years |
| Item model number | NGPROTUMBLER3 |
| Educational Objective(s) | Geological exploration, observation skills, logical thinking |
| Language: | English |
| Number of Game Players | 1 |
| Assembly Required | No |
| Batteries Required? | No |
| Batteries Included? | No |
| tech_spec_battery_description_toys | No batteries required |
| Material Type(s) | Multiple |
| Remote Control Included? | No |
| Color | Black |
| Language | English |
| ASIN | B086Z83SV5 |
R**I
ممتاز
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I**N
My 7-year old son had it running step 1 within 10 minutes.
Easy to get started and looking forward to the results after 30 days following the 4-step process.Came with a non-UK plug which was a surprise after reading it came with a 3-pin plug. No instructions provided on what speed to run.
Trustpilot
3 weeks ago
3 weeks ago