[Dual Noise-cancelling Functions] - professional rock tumbler has a biggest advantage: Noise Reduction! The rock polisher tumbler with cover is 40.6% quieter than others', and the tire rubber is 75% quieter than plastic barrels.
[Durable Rock Tumbler] - The upgraded leak-proof barrel is lined with rubber designed for staying sturdy and quite. This is a high-quality rock tumbler that lasts for many years.
[Rock Tumbler Kit] - The rock tumbler set comes with everything you need, including, 1 Rock Tumbler, 2 Bags of Rough Gemstones, 4 Polishing Grits, 2 Polishing Sponge Blocks, 1 Filter, 1 set Jewelry Setting (placed in the barrel) 1 Power Adapter and a detailed learning guide. A Perfect gift for adults and Kids!
[Easy to Use & Educational] - Digital 2-Speed setting & 7-day timer, T are 3 processes in Setting for grinding stones(according to instrucions). The rock tumbler with a color printing instructions leads you operate the tumbler machine step-by-step, and telling you the fascinating story of the gemstones, which is a good material to read it for your kids.
[Make Your Own Gemstones] - Enjoying the tumbling process! T is an entire process that rough rocks go through in order to become the shiny stones. It is the time you have wasted for your stone that makes your stone so important!