[TURN ROUGH ROCKS INTO BEAUTIFULLY POLISHED GEMS] Experience the magic of transforming rough rocks into sparkling gems with this easy-to-use rock tumbler kit. stunning jewelry pieces. [REDUCED NOISE DESIGN] Unlike other plastic , this rock tumbler features a motor and a leakage-proof rubber barrel, making it 75% quieter. Enjoy a quiet and peaceful gem grinding process. [ALL-INCLUSIVE KIT FOR GEM POLISHING] Get everything you need in one package - 4 polishing grits, real rough gems, and a detailed study guide. It's the perfect kids and adults interested in physical science experiments. [EFFORTLESS OPERATION] With simple instructions and one-touch settings, grinding gems has never been easier. Set the and let the tumbler do its magic. It's a fun and educational activity for the whole family. [STABLE, , AND LONG-LASTING] This rock tumbler kit features a stable structure, excellent performance, and a long service life. Enjoy endless Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Voltage: AC110V Colour:As Shown Material:plastic+Metal Package Contents: 1X Electric Gem Polishing Machine 1X Power adapter 1X Other mounting accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.