NATIONAL GEOGRAPHIC Rock Tumbler Kit 3 lb

Updated August 14, 2026

Condition: New Open Box Damaged?: No In Packaging?: Yes Missing Parts?: No Functional?: Yes Brand: National Geographic UPC: 816448028694 National Geographic Professional Rock Tumbler Kit Take your rock tumbling to the next level! This kit has all the features and accessories you'll need to master rock tumbling, start an extraordinary rock collection, and create beautiful jewelry. Contained in this kit: Extra large 3lb capacity leak-proof barrel Automatic shutoff timer Reliable long-lasting motor Plenty of stones (3 lb) Four levels of grit 5 jewelry fastenings GemFoam to add a dazzling shine to your polished stones This high-quality tumbler allows you to set your speed and tumbling time. When the time expires, your tumbler will automatically shut-off, allowing you to choose the perfect amount of tumble time for each grit stage. Plus, our redesigned tumbling barrel dampens sound better than most tumblers out there. The rough rocks provided (3 lbs) 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. And don't forget about GemFoam, our exclusive new way to add dazzling shine to your polished rocks! Use GemFoam just like tumbling grit, simply add it to the barrel with your stones and water, then three days later marvel at the shine! GemFoam is reusable too, allowing you to create a truly impressive gemstone collection. National Geographic Toys makes the highest quality hands-on science toys. About the National Geographic Society: 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. STEM: Science STEM toys are Science, Technology, Engineering and Math based products that are geared towards developing useful skills in all areas of learning. This product focuses on the core subject: science. Highlights: CREATE YOUR OWN GEMSTONES - Rock tumbling made easy! 1. Start with rough rocks, 2. Add grit & water, 3. Tumble into gemstones! A TUMBLER THAT'S MADE TO LAST - The durable motor has time and speed control settings. Large capacity 3lb barrel made of tire rubber that absorbs the sound making it 75% quieter than plastic barrels overall. ALL-IN-ONE TUMBLING KIT - Everything you need including three pounds of rough rocks; nine different types of gemstones from around the world. USE GEMFOAM FOR DAZZLING RESULTS - We've also included reusable patented GemFoam rock polishing accessory to use in the final tumbling stage for the shiniest finish! Specifications: Suggested Age: 8 Years and Up CPSC Choking Hazard Warnings: Choking_hazard_small_parts Educational Focus: Science Battery: No Battery Used.

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