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Home > Rock Tumblers & Refills

Transform dull, coarse rocks into gorgeous, shining gemstones with these high-quality rock tumblers! Whether you’re a beginner or an experienced rock hound, these kits provide all the tools and materials you need, including an assortment of unpolished stones, tumbling grit, and ways to display your rocks as jewelry to show off their beauty.

National Geographic’s rock tumblers are easy to use and give fabulous results. The Rock Tumbler Starter Kit provides everything you need to get beautiful, shining stones. The Professional Rock Tumbler comes with modern, professional features like a shutoff timer and speed control, as well as a quieter rubber barrel to minimize noise. As with all our products, each tumbler comes with our 100% satisfaction guarantee, so you can shop with confidence, knowing that you’ll be getting a first-rate educational gift that any kid (or adult) would love!

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