






✨ Rock your world with the ultimate tumbling kit! 🪨
The National Geographic Rock Tumbler Refill Kit includes 1.36 kg of authentic Madagascar rocks, premium silicon carbide grit for polishing up to 4 kg of stones, and ceramic media that reduces noise and breakage. Featuring innovative GemFoam polishing media, this STEM-focused kit delivers professional-quality results and hands-on educational fun for ages 8 and above.





| Product Dimensions | 25 x 18 x 14 cm; 1.36 kg |
| Manufacturer recommended age | 8 years and up |
| Item model number | NGFOMCERGRTMD |
| Educational Objective(s) | STEM |
| Language: | English |
| Number of pieces | 1 |
| Assembly Required | No |
| Batteries Required? | No |
| Batteries included? | No |
| tech_spec_battery_description_toys | No batteries required |
| Material Type(s) | Ceramic |
| Material Care Instructions | Hand Wash Only |
| Remote Control Included? | No |
| Radio Control Suitability | Rock Tumbling Media for Polishing Rough Gemstones and Rocks |
| Colour | Multicolor |
| Release date | 15 Jun. 2020 |
| ASIN | B08B7JBVG9 |