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💎 Elevate your rock game—because your collection deserves to shine brighter than the rest!
National Geographic’s GemFoam is a patent-pending reusable rock polishing foam that adds an unprecedented shine to tumbled rocks. Designed for use after the final grit cycle, it works with any durable tumbler and can be reused up to six times. Packaged with a convenient mesh storage bag, GemFoam offers an easy, eco-friendly way to achieve professional-grade polish, backed by award-winning quality and National Geographic’s trusted brand.
| ASIN | B08B7DJTCR |
| Age Range Description | 8 years and up |
| Best Sellers Rank | #800 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Tumbling Media |
| Brand Name | Blue Marble |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (18,681) |
| Educational Objective | STEM |
| Global Trade Identification Number | 00816448027451 |
| Included Components | GemFoam Reusable Rock Polisher Foam |
| Indoor Outdoor Usage | Indoor |
| Is Assembly Required | No |
| Item Dimensions | 4.72 x 1.18 x 7.28 inches |
| Item Type Name | Rock Tumbling Media GemFoam Reusable Rock Polisher Foam |
| Manufacturer | JMW Sales, Inc. |
| Manufacturer Maximum Age (MONTHS) | 1188 |
| Manufacturer Minimum Age (MONTHS) | 96 |
| Manufacturer Part Number | NGFOMBAG |
| Material Type | Foam |
| Model Number | NGFOMBAG |
| Number of Players | 1 |
| Operation Mode | Manual |
| Power Source | Manual |
| Set Name | Single Set |
| Size | Medium |
| Sub Brand | National Geographic |
| Supported Battery Types | No batteries required |
| Theme | Rock Tumbling |
| UPC | 816448027451 |
| Unit Count | 1.0 Count |
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