NATIONAL GEOGRAPHIC Rock Tumbler Refill – 1 Lb Mix of Genuine Agate Rocks for Rock Polishers Includes 5 Jewelry Fastenings Rock Polishing Grit Works with All Rock Tumblers

Stock Up with National Geographic’s Agate Refill Kit This Gemstone Refill Kit Includes: - 1 Pound Raw Agate Rocks - 4 courses of polishing grit - 6 jewelry fastenings - 1 learning guide National Geographic Toys is proud to provide a 100% satisfaction guarantee with all our products so that you can buy with confidence. About the National Geographic Society: With a mission to inspire people to care about the planet, the 131-year-old National Geographic Society is one of the world's largest nonprofit scientific and educational organizations. National Geographic's net proceeds support vital exploration, conservation, research, and education programs.