- Noise-reduced barrel- the tumbler is designed with a noise-reduced barrel to ensure that it is quiet and won’t disturb those around it.
- Comes with
- 5 pounds of raw gemstone and jasper mix- this kit comes with a variety of different rocks, gems, and jaspers to get users started on their projects.

The National Geographic Hobby Tumbler is a great way to introduce kids and adults to the exciting world of rock polishing. This noise-reduced barrel is perfect for the home, classroom, or workshop. The kit includes 2.5 pounds of raw gemstone and jasper mix, as well as grit to give your polished stones a beautiful shine. With its easy-to-use design, the tumbler is perfect for both beginners and experienced rock polishers alike. The kit also makes a great STEM hobby for kids and adults to explore the science of geology. With the National Geographic Hobby Tumbler, you can create beautiful, polished rocks and gems for your collection. This is a great way to get started in the fascinating hobby of rock polishing.

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