💎 Polish your passion, rock your world!
The Blue Marble National Geographic Rock Tumbler Starter Kit (2016 Release) is a complete, easy-to-use polishing system that transforms ordinary stones into sparkling gemstones. Featuring a 4-stage grit polishing process, real rough gemstones, and an educational STEM guide, this kit is perfect for hobbyists and learners aged 8 and up. No assembly or batteries needed—just plug in and start creating dazzling rock collections.
| Educational Objective(s) | STEM |
| Language: | French, German |
| Model Number | NGTUMBLER2 |
| Number of Puzzle Pieces | 30 |
| Assembly Required | No |
| Batteries Required | No |
| Batteries Included | No |
| Material Type(s) | Silicone |
| Material Care Instructions | See Included Manual |
| Remote Control Included? | No |
| Colour | yellow |
| Product Dimensions | 27.94 x 13.2 x 30.48 cm; 1.81 kg |
| Item model number | NGTUMBLER2 |
| Manufacturer recommended age | 8 years and up |
| Manufacturer | Discover with Dr. Cool |
| Item Weight | 1 kg 810 g |
S**A
Doesn't close after first time.
Doesn't close after first time. Too much Waste of money. Rubber gets loose tooo. Thats enough review for the first time
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