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- QUALITY GRIT RESULTS IN A DAZZLING POLISH - The rock polishing grit in this pack is high-quality silicon carbide and will polish 8-10 lbs of rocks, includes measuring scoop and storage containers with secure screw-top closures for easy storage.
- 3 POUNDS OF ROCKS FROM MADAGASCAR - Keep your rock tumbler going with 3 pounds of rocks from Madagascar. This rock refill pack can include rose quartz, jasper, and other rock and gemstone varieties.
- 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.
- AN INNOVATIVE 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!
- 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!
National Geographic Rock Tumbler Grit and Rock Polishing Refill Kit
$63.99