National Geographic Rock Tumbler Kit - 3 Lb. Extra Large Capacity Barrel with 3-Speed Motor & 9-Day Timer, Kit Includes Rocks for Tumbling and Rock Polisher Grit, Rock Tumbler for Adults and Kids

KoolStone C1 Rock Tumbler Kit - Professional Large 2.5LB Capacity, Up to 5X More Noise Cancelling, Adjustable Timer & Speed with Full Accessories & Memory Function

National Geographic Hobby Rock Tumbler Kit - Rock Polisher for Kids & Adults, Noise-Reduced Barrel, Grit, 2.5 Pounds Raw Gemstone & Jasper Mix, Great STEM Hobby Kit

Cool Builders Ninja Monkey Wall and Window Tumbling Walker – Wall Tumbling and Crawling Fidget Toy, Fun Throw, Toss-to-Surface Downward Crawl Fun for Children, Kids and Adults

AliKids 3.5LB Professional Rock Tumbler Kit, 3 Speed Settings & Digital 9-Day Timer, Rough Gemstones, 4 Polishing Grits

NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit - 1 Lb. Jasper Rocks for Tumbling - 8 Varieties including Mookaite and Kabamba - Rock Tumbler Supplies include Rock Tumbler Grit and Jewelry Accessories

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

National Geographic Rock Tumbler Refill Kit 1 Lb. Madagascar Rocks & Accessories

Toyvian Desktop Tumbler Decoration 24PCS Baby Tumbler Mini Animal Panda Baby Weeble Wobble Bear Tummy Time Rock Egg Shakers Montessori Balancing for

NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit - Complete Rock Tumbler for Adults & Kids with Durable 2 Lb. Barrel, Rocks, Grit, and Patented GemFoam Finishing Foam Polish, Rock Polisher