Description
Price: $93.30 - $59.99
(as of Jun 25, 2025 20:19:49 UTC – Details)
From the brand
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Science Kits
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Your purchase has purpose!
Every purchase helps support the global nonprofit National Geographic Society in its work to protect and illuminate our world through exploration, research, and education.
CREATE YOUR OWN GEMSTONES – Make any stone sparkle and polish everyday rocks into dazzling gemstones This rock tumbler kit makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.
A TUMBLER THAT’S MADE TO LAST – Our high-quality tumblers are made with a durable motor that’s designed to last for years. The leakproof rubber barrel reduces sound, making it 75% quieter than other plastic models. An excellent STEM activity for kids.
A COMPLETE HOBBY TUMBLING KIT – Everything you need to create polished gemstones: the tumbler, four polishing grits, sifter, nine types of real rough gemstones, plus a detailed full-color learning guide. Makes a great gift for girls and boys
EASY TO USE – Simple instructions and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, set it and forget it This is a great gift for kids.
HIGH-QUALITY EDUCATIONAL TOYS – We’re proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we’ll make things right
Customers say
Customers find the rock tumbler easy to use, with clear instructions and quick assembly, making it a good family activity. The polished results are beautiful and shiny like glass, and customers consider it worth the money despite mixed opinions. The build quality and noise level receive mixed feedback – while some find it well-made and not noisy, others report it breaking soon and can be loud.
