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💎 Sparkle your world—because ordinary rocks deserve extraordinary shine!
The Blue Marble National Geographic Rock Tumbler Starter Kit (2016) is a complete beginner-friendly set that transforms rough stones into polished gemstones using a reliable motor and leak-proof barrel. It includes 9 types of real rough gemstones, four polishing grits, jewelry fastenings, and an educational guide, making it a perfect STEM hobby for all ages.
| ASIN | B01I56RV0C |
| Assembly Required | No |
| Batteries Included | No |
| Batteries Required | No |
| Best Sellers Rank | #149,106 in Toys & Games ( See Top 100 in Toys & Games ) #4,080 in Science Toys & Kits |
| Colour | yellow |
| Country of Origin | USA |
| Customer Reviews | 4.3 4.3 out of 5 stars (10,665) |
| Date First Available | 31 August 2016 |
| Educational Objective(s) | STEM |
| Generic Name | Beginner's Rock Tumbler |
| Included Components | 5 Jewelry Fastenings, Leak-proof, rubber-lined tumbler barrel, Rock Tumbler, ½ pound of stones and four levels of grit |
| Item Dimensions LxWxH | 27.9 x 13.2 x 30.5 Centimeters |
| Item Weight | 1 kg 900 g |
| Item model number | NGTUMBLER2 |
| Language | German |
| Manufacturer | Discover with Dr. Cool |
| Manufacturer recommended age | 8 years and up |
| Material Care Instructions | See Included Manual |
| Material Type(s) | Silicone |
| Model Number | NGTUMBLER2 |
| Net Quantity | 1 Count |
| Number of Puzzle Pieces | 30 |
| Product Dimensions | 27.9 x 13.2 x 30.48 cm; 1.9 kg |
| Remote Control Included? | No |
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
H**Y
It's ok
N**O
Volevo qualcosa per lucidare le piccole pietre che raccolgo al mare e questo buratto lo fa ad un prezzo accessibile.
M**L
Super leuk alleen niet in het Nederlands
E**S
Très bien pour la verre.
C**N
Todo un descubrimiento para mi hijo de 10 años, un fan de los minerales. Solo tengo una pregunta: dónde se puede conseguir más gravilla de los distintos tamaños que vienen en los sobres?
Trustpilot
1 week ago
4 days ago