National Geographic 3 Lb. Rock Tumbler Kit for Kids and Adult Beginners | 3 Lb. Capacity Barrel, 3-Speed Motor, 9-Day Timer, Rough Rocks and Polishing Grit, Rock Polisher, Geology Hobby

CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults! This professional rock tumbler makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.