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💎 【ROCK POLISHER TUMBLER KIT ADULT】: Mother Nature polished that stone by gently washing it in water and sand or gravel until all the rough edgeswere smoothed away. Then the inner colors and unique composition of the stone were uncovered!

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💎【START A TUMBLING JOURNEY】Rock tumbling is a hugely popular hobby for kids and adults! AVENHO rock tumbler is for turning rough raw rocks into smooth

AVENHO Rock Tumbler Kit, Professional Rock Polisher with Rough Gemstones and 4 Polishing Grits, Great Science Kit for Geology Enthusiasts, Kids and

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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.

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