Rock Tumbler Set for All Ages, Ideal for Rock Polishing and Crafting Fun

The total weight inside the barrel should not exceed 2.5 lbs, including stones, water and polishing powder, with a maximum combined weight of 2.5 lbs.The rock tumbler kit should be used on a flat , not on an inclined one.Over time, the belts may stretch and become loose or break. If the belt becomes loose, it may slip and prevent the drive shaft from turning, which will cause the barrel to not rotate.SpecificationProduct Name:Rock Tumbler Kit: ABSProduct size: 21*14.5*16.6cmPackaging size: 26.5*21.5*11cmWeight: 1586gProduct List1*Rock Tumbler Kit

• USER-FRIENDLY FEATURES - With our advanced rock tumblers, you can easily set any grinding time from 1 to 7 days at the touch of a button. The stone grinder features an automatic stop function after the selected time, providing a hassle-free experience for users of all ages.
• QUIET PREMIUM GRINDERS - Premium grinders feature durable motors that are built to last. Leak-proof rubber barrel reduces noise and is 75% quieter than other plastic models. Make beautiful crafts for .
• COMPLETE ROCK TUMBLER KIT - Our national rock tumbler kit for adults includes everything you need to polish gemstone, featuring a professional polisher stone machine, four polishing grits, 1 kg of assorted rough stones, five jewelry clasps, three replacement straps, a strainer, and an opener. This comprehensive kit is for ages 8-12, ing it the gift for aspiring geologists!
• EDUCATIONAL FUN FOR KIDS - This rock tumbler kit serves as a fun toy for , enabling them to create their favorite gems independently. It enhances 's interest in geography and science while developing their patience and creativity through engaging glass arts and crafts activities.
• STABLE AND DURABLE DESIGN - Built with a stable structure and excellent performance, our rock tumbler ensures long service life. This durable polisher stone machine allows you to convert rough gems into stunning polished stones effortlessly, enhancing your arts and crafts projects.