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💎 Polish like a pro, shine like a legend!
National Geographic GemFoam is a revolutionary reusable rock polishing media designed to enhance the shine of tumbled rocks after the final grit cycle. Compatible with any rock tumbler, it offers up to 6 polishing uses per pack and includes a handy mesh storage bag for easy handling. Developed by Blue Marble and backed by National Geographic’s commitment to quality and STEM education, GemFoam transforms your rock tumbling projects into dazzling, museum-worthy displays.

| ASIN | B08B7DJTCR |
| Age Range Description | Kid |
| Battery Types | No batteries required |
| Brand | Blue Marble |
| Colour | Black |
| Country of Origin | USA |
| Customer Reviews | 4.4 4.4 out of 5 stars (685) |
| Educational Objective | STEM |
| Global Trade Identification Number | 00816448027451 |
| Indoor Outdoor Usage | Indoor |
| Is Assembly Required | No |
| Item Dimensions | 12 x 3 x 18.5 Centimeters |
| Item Highlight | Reusable Polishing Foam, Adds Shine After Grit Cycles, Rock Tumbling Media, Works with Tumbled Rocks and Minerals |
| Manufacturer | JMW Sales, Inc. |
| Manufacturer Part Number | NGFOMBAG |
| Manufacturer recommended age | 8 years and up |
| Material | Ceramic |
| Model Number | NGFOMBAG |
| Number of Players | 1 |
| Operation Mode | Manual |
| Power Source | Manual |
| Size | Medium |
| Sub Brand | National Geographic |
| Theme | Rock Tumbling |
| UPC | 816448027451 |
| Unit Count | 1.0 Count |
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