Whole Earth Provision Co. BLUE MARBLE National Geographic Starter Rock Tumbler Kit

Hidden gemstones await in this National Geographic Starter Rock Tumbler Kit. The young geologist in your life will be fascinated by the process of turning rocks into gems. The step-by-step guide shows your child exactly what they need to do to turn the rough rocks they have into smooth and polished gems. It comes with a half-pound of rocks with nine different gemstones that can be tumbled to perfection. The grit included has four different stages to bring each gem to perfect fruition.

NATIONAL GEOGRAPHIC Rock Tumbler Kit – Hobby Edition

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NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit - Rock Polisher for

NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit - Rock Polisher for

NATIONAL GEOGRAPHIC Professional Rock Tumbling Kit

Kick off an exciting new hobby with the Starter Rock Tumbler Kit from National Geographic! This kit has all the features and accessories you’ll need

NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit - Rock Polisher for Kids and Adults, Complete Rock Tumbler Kit, Durable Leak-Proof Tumbler, Rocks, Grit

NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit - Complete Rock