• Learn all about the fascinating way rocks are polished in nature, how gemstones are used in jewelry and much more in our full-color learning guide.
National Geographic Rock Tumbler, Card Game and Specimen Kit
PROFESSIONAL TUMBLING - The Ultimate Tumbler delivers spectacular results with unparalleled ease of use! With its large 2-pound barrel, 3 selectable
NATIONAL GEOGRAPHIC Platinum Series Ultra Quiet Rock Polisher Kit - Patent-Pending for Kids & Adults, 2 lb. Barrel, Rocks, Grit, GemFoam, Rock
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 : Toys
National Geographic Starter Rock Tumbler Kit
National Geographic Hobby Rock Tumbler
NATIONAL GEOGRAPHIC Professional Rock Tumbler, Everything you need to master rock tumbling!, Take your rock tumbling seriously with this
NATIONAL GEOGRAPHIC Professional Rock Tumbler Complete Kit with Jewelry Fastenings
National Geographic Starter Rock Tumbler Kit
The Rock STEM Tumbler Kit – Smart Kids Planet
CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults! This starter rock tumbler makes it fun and easy to turn rough
NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit - Durable Leak-Proof Rock Polisher for Kids - Complete Rock Tumbling Kit - Geology Hobby Science Kit