Photo 1 of VIYUKI Rock Tumblers Kit - Includes Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings,Operating Instruction, Great Stem Science Kit for Kids

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Photo 1 of VIYUKI Rock Tumblers Kit - Includes Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings,Operating Instruction, Great Stem Science Kit for Kids