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WireJewelry Single Barrel Rotary Rock Tumbler Madagascar Mix Deluxe Kit, Includes 3 Pounds of Rough Madagascar Stone Mix and 2 Batches of 4 Step Abrasive Grit and Polish with Plastic Pellets: Wire
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Amazon.com: NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Complete Rock Tumbler Kit with Durable Tumbler, Rocks, Grit, and Patented GemFoam Finishing Foam Polish, Educational Stem Science Kit : Toys & Games
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Amazon.com: NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Includes Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings, Learning Guide, Great Stem Science Kit : Toys & Games
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