






💎 Elevate your rock game—shine brighter, polish smarter!
National Geographic’s GemFoam is a patent-pending reusable foam media designed to add an unprecedented shine to tumbled rocks. Compatible with any rock tumbler, it’s easy to use after the final grit cycle and can be reused up to six times. Packaged with a mesh storage bag, GemFoam enhances your rock polishing projects with professional-grade results, backed by award-winning quality and STEM educational value.





| Product Dimensions | 11.99 x 3 x 18.49 cm; 50 g |
| Manufacturer recommended age | 8 years and up |
| Item model number | NGFOMBAG |
| Educational Objective(s) | STEM Skill |
| 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) | Foam |
| Remote Control Included? | No |
| Color | Black |
| Release date | 15 July 2020 |
| ASIN | B08B7DJTCR |
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