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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
Includes a complete four-stage polishing grit set (coarse, medium, fine, and final polish) for professional-looking shine
Ready-to-wear jewelry settings let you turn polished stones into display-worthy accessories
Sized and curated for consistent tumbling results in standard hobby tumblers, including the Thames & Kosmos Rock Tumbler
Great for STEM learning: explore geology, erosion, abrasion, and material science while crafting keepsakes
Ideal for refills, classrooms, scout projects, and makers who want reliable results without hunting down supplies
Ages: 8+
Piece Count: 10
Product Dimensions: 4.5 × 9.6 × 2 in.
Product Weight: 1.3 lb
Batteries Required: N/A
Country of Origin: China
Year Released: 2025
1 lb mixed natural rocks (e.g., tiger’s eye, aventurine, rose quartz, and others)
4 polishing grits: coarse, medium, fine, and final polish
Jewelry settings for turning finished stones into accessories
Simple usage tips for load sizing, run times, and rinse cycles
