This kit has all the features and accessories you’ll need to transform rough rocks into extraordinary gemstones, start an awesome rock collection, and create beautiful jewelry.

This high-quality tumbling machine boasts a powerful motor that will last for years, as well as an upgraded leak-proof, rubber-lined barrel. Plus, everything is included to get started: a 1/2 pound of assorted stones from around the world, 4 stages of polishing media, and five jewelry fastenings to you can create your own unique wearables with your tumbled gems.

This high-quality beginner tumbler makes rock tumbling easy for kids and adults, with detailed, easy-to-follow instructions that will have you successfully tumbling in no time!

The rough rocks provided (½ lb.) contain nine different gemstones from around the world, and our tumbling grit is labeled by tumbling stage to make the process even easier! Choose your favorite gems and turn them into jewelry with the included necklace, key chain, ring, and two clip-on earring fastenings inside.

This is a great way to inspire a love of a hobby that can last a lifetime! Plus, kids are astounded by the transformation they'll see once rocks are fully polished! It's also a fantastic STEM toy thanks to the detailed Learning Guide, where kids can learn how rocks are smoothed and polished over time in nature. They'll also discover fascinating facts about all the gemstones in the kit!

We make the highest quality hands-on science toys, and all products are backed by exceptional service. With a mission to inspire people to care about the planet, the National Geographic Society is one of the world’s largest nonprofit scientific and educational organizations.