PRO Series Rock Tumbler

Imagine taking dull, ordinary rocks and magically transforming them into sparkling gems…now you can! With this professional-grade tumbling set from Dr. Cool, making beautiful gemstones is easy: Just add the polishing grit, water, and unpolished stones into the machine, set it, and wait. Within a few weeks you'll have your very own gleaming, beautiful gems! There is no better way for boys and girls to learn about geology. This science kit will provide hours of fascinating science fun and comes with everything you need to start exploring the exciting hobby of rock tumbling. This Professional Rock Tumbling Kit features: Long-lasting motor, automatic shutoff timer, noise-reducing leak-proof rubber barrel and speed control settings Includes 1 lb of semi-precious stones including amethyst, quartz, tiger’s eye, jasper, agate, and more Includes 4 types of polishing grit Jewelry fastening Tumbling instructions With the included jewelry fastenings, kids can even make their very own custom jewelry. Just mount the polished gems into the fastenings and they’re ready to wear!