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Keep your rock tumbler projects rolling with a 1 lb assortment of natural gemstones including tiger’s eye, aventurine, rose quartz, and more
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Includes a complete four-stage polishing grit set (coarse, medium, fine, and final polish) for professional-looking shine
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Ready-to-wear jewelry settings let you turn polished stones into display-worthy accessories
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Sized and curated for consistent tumbling results in standard hobby tumblers, including the Thames & Kosmos Rock Tumbler
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Great for STEM learning: explore geology, erosion, abrasion, and material science while crafting keepsakes
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Ideal for refills, classrooms, scout projects, and makers who want reliable results without hunting down supplies
