National Geographic
NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit- Advanced Features Include Shutoff Timer and Speed Control - 907 Gram Barrel, 453 Grams of Gemstones, 4 Polishing Grits, GemFoam, Jewelry Fastenings
National Geographic
NATIONAL GEOGRAPHIC Rock Tumbler Media – GemFoam Reusable Rock Polisher Foam, Use After Rock Tumbler Grit Cycles, Adds Shine to Tumbled Rocks and Minerals, Rock Tumbling Supplies
National Geographic
NATIONAL GEOGRAPHIC Rock Tumbler Kit – 1.36 kg Extra Large Capacity Barrel with 3-Speed Motor & 9-Day Timer, Includes Rocks for Tumbling and Rock Polisher Grit, Science Kit for Adults and Kids
National Geographic
21% off
NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Rock Polisher for Kids & Adults, Durable Noise-Reduced Barrel, Rocks, Grit & New GemFoam for a Shiny Finish, Cool Toys, Great STEM Hobby Kit