🪨 Transform your stones into museum-worthy gems—don’t just polish, perfect!
The National Geographic Rock Tumbler Grit and Polish Refill Kit offers a complete 4-stage silicon carbide grit system designed to polish up to 20 lbs of rocks, gems, and glass. Compatible with all rock tumblers, it features easy-to-use, securely packaged grit containers and is developed by Blue Marble, an award-winning educational brand.
| Item Weight | 1.78 Kilograms |
| Item Dimensions | 5.5 x 5.5 x 4.25 inches |
| Size | Medium |
| Material Type | Carbide, Abrasive, Grit, Silicone |
| Color | Black |
| Theme | Science |
| Operation Mode | Manual |
| Educational Objective | Learn About Rock Tumbling |
| Number of Players | 1 |
ترست بايلوت
منذ شهرين
منذ شهر
