Rock Tumbler Kit — Complete Stone Polishing and Jewelry Making Set Turn rough rocks into smooth, polished gemstones with this rock tumbler kit . Perfect for beginners, hobbyists, and jewelry makers, the kit includes everything needed to start tumbling stones and creating custom jewelry pieces at home. Key Features Durable tumbler: Heavy-duty barrel and motor designed for long-lasting use. 4-step polishing process: Includes coarse, medium, fine, and final polishing grit for professional results. Jewelry-making accessories: Chains, clasps, rings, and mounts included to turn polished stones into wearable pieces. Starter rocks: A collection of raw stones provided to begin tumbling right away. Easy operation: Simple controls with reliable performance for beginners and hobbyists alike. Educational and fun: Great STEM activity for kids and adults interested in geology and crafting. Specs Tumbler type: Electric-powered with belt drive Barrel capacity: Suitable for multiple stones per cycle Polishing system: 4-step grit process included Accessories: Jewelry-making findings (chains, clasps, ring mounts) Power supply: AC adapter included This complete rock tumbler kit makes it easy to polish gemstones and create stunning jewelry — perfect for hobbyists, collectors, and anyone who loves hands-on science and crafting.