💎 Polish your passion, rock your world!
The Blue Marble NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit is a durable, noise-reduced rock polisher designed for ages 8 and up. Featuring a powerful motor, leakproof rubber barrel that cuts noise by 75%, and a one-touch timer with automatic shutoff, this all-in-one STEM kit includes polishing grits, a sifter, learning guide, and 2.5 pounds of raw gemstones. Perfect for educational fun and creative exploration, it’s an award-winning product that turns rough stones into sparkling gems with minimal effort.
| Educational Objective(s) | STEM |
| Model Number | NGHOBBYBUN |
| Number of Game Players | 1 |
| Assembly Required | No |
| Batteries Required | No |
| Batteries Included | No |
| tech_spec_battery_description_toys | alkaline or rechargeable batteries |
| Material Type(s) | Plastic,Rubber |
| Remote Control Type | None - Not Applicable |
| Colour | Multicolor |
| Product Dimensions | 44.5 x 16.51 x 22 cm; 3.62 kg |
| Item model number | NGHOBBYBUN |
| Manufacturer recommended age | 8 years and up |
| Manufacturer | JMW Sales, Inc. |
| Country of Origin | USA |
| Item Weight | 3 kg 620 g |
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