

🪨 Transform Rough Rocks into Dazzling Gems—Quietly, Professionally, Effortlessly!
The National Geographic Platinum Series Ultimate Rock Tumbler Kit is a professional-grade, ultra-quiet rock polisher featuring a large 2 lb. barrel, 3-speed settings, and a versatile timer. This all-in-one STEM kit includes rough rocks, multiple polishing grits, a patented GemFoam polisher for a brilliant finish, and jewelry fastenings to create wearable treasures. Designed for ages 8 and up, it combines educational value with award-winning quality, perfect for indoor use in any space.





| ASIN | B0C2JN3S9M |
| Age Range Description | 8 years and up |
| Age range (description) | 8 years and up |
| Brand | Blue Marble |
| Brand Name | Blue Marble |
| Customer Reviews | 4.3 out of 5 stars 552 Reviews |
| Educational Objective | Development of exploratory skills and manual dexterity |
| Included Components | 1 lb of Rough Gemstones, 2 lb Barrel, 3 Speeds, Timer Settings, 4 Stage Polishing Grits, 5 Jewelry Fastenings, Exclusive GemFoam Polishing Foam, Newly Designed Strainer, Ultra-Quiet Tumbler w/ Sound-Dampening Cover |
| Item Dimensions | 40.9 x 19.4 x 34.7 centimeters |
| Item Type Name | Ultra Quiet Rock Tumbling Kit |
| Item Weight | 907 g |
| Item dimensions L x W x H | 40.9 x 19.4 x 34.7 centimeters |
| Item weight | 907 g |
| Manufacturer | Blue Marble |
| Manufacturer Maximum Age (MONTHS) | 1188.0 |
| Manufacturer Minimum Age (MONTHS) | 96.0 |
| Material Type | Multiple |
| Size | L |
| Sub Brand | National Geographic |
| Theme | Geology |
| UPC | 810070622329 |
| Unit Count | 1.0 Count |
A**I
Present for partner
R**N
Works great but noisy?
A**.
Pretty great so far - Better quality machine than the cheap department stores' brands
A**R
Great product
S**.
Rock machine
Trustpilot
1 week ago
5 days ago