






π Turn rough rocks into polished treasures β your personal gem lab awaits!
The National Geographic Rock Tumbler Kit features a robust 3-speed motor and a 1.36 kg extra-large stainless steel barrel with a leak-proof lid, enabling quiet and efficient tumbling. With a 9-day programmable timer, it offers hands-free operation. This all-in-one kit includes 9 types of rough gemstones, polishing grit, a strainer, jewelry fastenings, and the innovative reusable GemFoam polisher for a brilliant finish. Designed for ages 8+, it combines STEM learning with creative fun, making it perfect for both kids and adults.





| Product Dimensions | 32.4 x 26.2 x 17 cm; 3.7 kg |
| Manufacturer recommended age | 8 years and up |
| Item model number | NGTUMBLER3LB |
| Educational Objective(s) | STEM, Concept Development Skills, Hand-Eye Coordination, Critical Thinking, Reasoning Exploratory Skills |
| Language: | English |
| Assembly Required | No |
| Batteries Required? | Yes |
| Batteries included? | No |
| Material Type(s) | Stainless Steel |
| Remote Control Included? | No |
| Colour | Multicolor |
| Release date | 5 July 2023 |
| ASIN | B08DL95CWL |
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