Kids' Rock Tumblers

National Geographic Rock Tumbler Grit & Polish Refill Kit - Tumbling Grit Media, Polish Up to 9 kg Rocks, for Any Rock Polisher, Tumbler Supplies

National Geographic Rock Tumbler Refill Kit - 2.26 kg Mix of Rocks & Rough Gemstones for Tumbling, Rock Tumbler Supplies, Grit and Polish Refill

National Geographic Rock Tumbler Refill Kit - 453 g Gemstones for Tumbling with Unpolished Amethyst and Quartz, Rock Tumbler Supplies, Tumbler Grit

Rock Tumbler Kit, K1 Professional Large 2.5LB Capacity Edition - Memory Function, Digital Timer & Variable Speeds: Includes All Accessories, Rock Polisher Gift for Adults & Kids

K1 Pro Professional Cutting-Edge Brushless Motor Advanced Rock Tumbler Polisher Kit, Large 2.5Lb Barrel with 3-Speed & 9-Day Timer, Includes All Accessories, Ideal Gift for Adults & Collectors

Rock Tumbler Kit Barrel Rock Tumbler for Adults Kids Rock Polisher Tumbler Kit LCD Display 9-Speed Motor 9-Day Timer Complete STEM Science Hobby Kit Includes Rough Gemstones 4 Polishing Grits

KomeStone 4 Bags Refill Grits for Rock Tumbler for Tumbling & Polishing Rocks

NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit - Complete Rock Tumbler Kit with Durable 2 Lb. Barrel, Rocks, Grit, and Patented GemFoam Finishing Foam Polish, Educational STEM Science Kit