






✨ Elevate your rock game—because ordinary just won’t do!
National Geographic GemFoam is a patent-pending, reusable rock polishing media designed to add an unprecedented shine to tumbled rocks. Compatible with any rock tumbler, it enhances your final polish cycle effortlessly and can be reused up to six times. Packaged with a convenient mesh storage bag, GemFoam is an award-winning STEM product that transforms your rock tumbling projects into dazzling, professional-quality results.





| Educational Objective(s) | STEM |
| Model Number | NGFOMBAG |
| Number of Game Players | 1 |
| Assembly Required | No |
| Batteries Required | No |
| Batteries Included | No |
| tech_spec_battery_description_toys | No batteries required |
| Material Type(s) | Ceramic |
| Remote Control Included? | No |
| Colour | Black |
| Product Dimensions | 11.99 x 3 x 18.49 cm; 35 g |
| Item model number | NGFOMBAG |
| Manufacturer recommended age | 8 years and up |
| Manufacturer | JMW Sales, Inc. |
| Item Weight | 35 g |
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