KoolStone Professional Rock Tumbler Kit with 1LB Rough Gemstones & 3 Replacement Belts - Perfect for Kids Geology Hobby, Jewelry Making & Science Education Projects

【 EASY TO GET THE WONDERFUL GEMSTONES 】KoolStone Rock Tumbler is a fairly simple machine which has the sole purpose of taking ordinary looking rocks, turning them over and over in a mixture of grit and water and polishing them into smooth, round, brilliant stones.

【 2.5LB LARGE CAPACITY & 75% QUIETER 】An updated features is that KoolStone Rock Tumbler has a large 2.5LB capacity. Which allows to tumbler more rocks each time. Another improvement is the quieter barrel. Rubber material which has 75% quieter than most plastic barrel.

【 FASTER POLISHING TIME & BETTER POLISHING RESULTS 】 3-speed controls (providing more granular tumbling results), a 9-day timer (with automatic shutoff feature and memory function), all displayed on clear screen, letting you easily hone your settings for precise tumbling each time.

【 EVERYTHING YOU NEED FOR TUMBLING IS HERE 】 KoolStone Rock Tumbler has everything you need to create polished gemstones. Rock tumbler, 2.5LB capacity barrel, 1LB for 9 different types of rough gemstones, 3 belts and 4 polishing grits and ceramic contact media, sifter, jewelry fastenings, and illustrated tutorial guide. Just tumbling right away!

【 YOU ARE ALWAYS THE FIRST FOR US & 2 YEAR WARRANTY】 Gifts for adults and kids. If you are just starting out or perhaps you are looking for some quality family time with your children, the KoolStone Rock Tumbler Kit is an ideal choice. Offer 2 year warranty to protect your rock tumbler. Any problems, please feel free to contact us. We will do our best to help you. GET 100% SATISFACTION.