The Rock STEM Tumbler Kit

Highlights 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

National Geographic Starter Rock Tumbler Kit - STEM kit

National Geographic Rock Tumbler

Construction Toys for Kids Educational Building Toys - Smart

Professional Rock Tumbler Kit, Hobby Lobby

The National Geographic Hobby Rock Tumbler Kit is a complete rock polishing kit that allows your kid to turn rough rocks into gemstones. Tumbler kit by National Geographic includes one pound of rough gemstones, eight packets of polishing grit, a storage pouch, and five jewelry fastenings. The tumbler base and motor are built to last and the tumbler barrel is designed to be low noise and leak proof. It has a built in timer and automatic shut off switch too.

National Geographic Explorer Rock Tumbler

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EveryMarket

ADVANCED ROCK TUMBLER KIT — Dan&Darci

ADVANCED ROCK TUMBLER KIT — Dan&Darci

Have you ever picked up a rock on the beach or a riverbed that was perfectly rounded and smooth to the touch That's a rock that has been tumbled by mother nature (water and sand) over the course of hundreds and even thousands of years. Rock tumbling is the hobby of collecting a wide range of rocks and turning them into beautiful gemstones you can use to make jewelry, crafts, decorations, or just to collect for fun.

Advanced Professional Rock Tumbler Kit - with Digital 9-Day Polishing Timer & 3