OFNHJK Rock Tumbler Polisher Kit, Professional Rock Tumbler Kit, Electric Gem Grinder with Timmer Buttons, Detachable Gemstone Polisher Gift for Kids All Ages

Rock Tumbler Kit: Contains everything you need to create polished stones, (Kit includes 2 straps, bag of rough stones, 4 rough grinds, fine grind polish, final polish, polishing grit) Easy to use: 7-day digital timer, you can set and repeat according to your needs, and you want to have your own beautiful gemstones, which need a long time of grinding and polishing, so it takes time, patience also takes time Stable and durable: The roller set has stable structure, excellent performance and long service life. Using the rock roller, you can easily process rough gemstones into polished gemstones Quiet: 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 kids Gemstones: Make any gemstone sparkle, polish everyday gemstones into dazzling stones, simple to operate and designed to be durable, this electric gemstone grinder allows you to turn rough gemstones into beautifully polished stones, fun and easy