Transform ordinary stones into stunning polished gems with this premium Rock Tumbler Kit, designed for both beginners and hobbyists. Crafted with durable ABS and metal materials, this kit offers a stable and long-lasting performance, making gem creation fun, easy, and accessible for all ages. The model HS-403 features a quiet motor with a leakage-proof rubber barrel that reduces noise by up to 75% compared to other plastic models, providing a peaceful crafting experience. Key Features: · Complete Rock Tumbler Kit: Includes everything needed to create beautifully polished gems, such as four polishing grits, real rough stones, and a detailed full-color study guide for step-by-step instructions. · Durable and Quiet Operation: Equipped with a robust motor and a rubber barrel designed to minimize sound, this tumbler operates significantly quieter than typical plastic models, making it ideal for indoor use and family activities. · Easy to Use with One-Touch Controls: Features a simple one-touch timer and auto-off function, allowing you to set the rollover cycle duration and enjoy hands-free polishing. · Stable and Long-Lasting Design: Built with a sturdy ABS and metal construction, ensuring excellent stability and extended service life for continuous use. · Educational and Fun DIY Activity: Perfect for kids and adults interested in geology, crafts, or DIY projects, encouraging creativity and learning through hands-on gem polishing. Specifications: · Item Type: Rock Tumbler Kit · Model: HS-403 · Material: ABS, Metal Package Includes: · 1 x Rock Tumbler Kit · 4 x Polishing Grits · Real Rough Gems · Full-Color Study Guide Unlock the joy of turning rough rocks into dazzling gems with this comprehensive and user-friendly Rock Tumbler Kit. Its quiet operation, durable build, and complete accessories make it an excellent gift and an engaging educational tool for gem enthusiasts of all ages.