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National Geographic Rock Tumbler Science Set For Child Or Teen Ages 8 Years And Up

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Discovery Mindblown Rock Tumbler 18-Piece Motorized Genuine Stone

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Discovery Scientific Rock Tumbler Polisher Kit With Free Shipping

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Rebel 17 Rock Tumbler

National Geographic Starter Rock Tumbler Kit

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VEVOR Rock Tumbler Machine 8 Lbs Rock Polishing Kit 9 Speed 9-Day Timer Dual Barrels

Discovery™ Mindblown Motorized Rock Tumbler Set

Thumler's Tumbler Rock Polisher

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