Blue Marble NATIONAL GEOGRAPHIC Rock Tumbler Media – Rock Polishing Supplies Kit, 4 Stage Bulk Grit, 680 g of Ceramic Pellets, GemFoam Polishing Tumbling Media
Product details
| Management number | 211293079 | Release Date | 2026/04/04 | List Price | $36.00 | Model Number | 211293079 | ||
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One of the most exciting elements of this tumbling accessories pack is our new patent-pending GemFoam. This tumbling media was specially designed to add dazzling shine to polished stones. Simply add GemFoam, water, and rocks to the tumbler barrel and in a few days your stones will have a high-quality polish. Instructions inside the kit detail how to use all the tumbling media for optimal results. This pack is compatible with all rock tumblers, but for best results use with National Geographic rock tumblers and tumbling accessories. Order today! We make the highest quality hands-on science products, and all are backed by exceptional service. With a mission to inspire people to care about the planet, the National Geographic Society is one of the world’s largest nonprofit scientific and educational organizations.
- QUALITY GRIT RESULTS IN A DAZZLING POLISH - The rock polishing grit in this pack is high-quality silicon carbide and will polish 3.6-4.5 kg of rocks, includes measuring scoop and storage containers with secure screw-top closures for easy storage.
- IMPROVE YOUR ROCK TUMBLING RESULTS – Ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage, and acting as a filler for smaller batches.
- BRAND NEW WAY TO MAKE TUMBLED ROCKS SHINE – GemFoam is a unique new rock polisher media that gives unprecedented shine to tumbled rocks. Just add the patent-pending rock polishing media to your tumbler after the final grit cycle for great results!
- WORKS WITH ANY ROCK TUMBLER – The tumbling supplies in this set are safe to use with any rock tumbler. The tumbling grit, ceramic pellets, and GemFoam together improve rock tumbling performance and yield impressive results.
- AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!
| UPC | 810070626044 |
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| Color | Multicolor |
| Theme | Rock Tumbling |
| Brand Name | Blue Marble |
| Manufacturer | JMW Sales, Inc. |
| Model Number | CANGFOMCERGRIT6L |
| Material Type | Ceramic, Foam, Silicon Carbide |
| Operation Mode | Manual |
| Item Dimensions | 7.48 x 5.31 x 5.47 inches |
| Included Components | Rock polishing grit, ceramic tumbler media, GemFoam, measuring scoop |
| Is Assembly Required | No |
| Age Range Description | 8 years and up |
| Educational Objective | STEM |
| Supported Battery Types | No batteries required |
| Manufacturer Part Number | CANGFOMCERGRIT6L |
| Manufacturer Maximum Age MONTHS | 1188 |
| Manufacturer Minimum Age MONTHS | 96 |
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Tumbling Media
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