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NATIONAL GEOGRAPHIC Rock Polisher Tumbler Kit - 4 Stage Rock Tumbler Grit, Polish, Ceramic Pellets, GemFoam Polishing Foam, 1.36 KG Madagascar Rocks : Amazon.co.uk: Toys & Games
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Amazon.com: NATIONAL GEOGRAPHIC Rock Tumbler Grit - Polishing Grit Media, Polish Up to 20 lbs. of Rocks, Works with any Rock Tumbler/Polisher, Stone Polisher : Toys & Games
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