POLISH ROCKS AT HOME - Discover the fun hobby of rock tumbling and transform rough rocks into beautiful gems with this deluxe rock tumbler</br>COMPLETE ROCK TUMBLING KIT - Includes 1lb of tumbling stones (9 types) polishing grit (4 types) jewelry fastenings and instructions</br>ULTIMATE TUMBLING MACHINE - Featuring a long-lasting motor automatic shutoff timer leak-proof rubber barrel for quieter tumbling and speed control settings</br>START A ROCK COLLECTION - Spark a child's love of geology and learning with this hands-on earth science kit. Turn any stone into a shiny treasure!</br>100% SATISFACTION GUARANTEE - Join the millions of parents who have chosen our award-winning science toys and experience the Discover with Dr. Cool difference! Includes 2 year manufacturer warranty.</br></br>Product Description</br></br><b>Imagine taking dull ordinary rocks and magically transforming them into sparkling gems&now you can!</b><br><br>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.<br><br><b>This Professional Rock Tumbling Kit features:</b><br>? Long-lasting motor?? automatic shutoff timer?? noise-reducing leak-proof rubber barrel and speed control settings<br>? Includes 1 lb of semi-precious stones including amethyst?? quartz?? tiger??s eye?? jasper?? agate?? and more<br>? Includes 4 types of polishing grit<br>? Jewelry fastenings<br>? Tumbling instructions<br>? 2 year manufacuter warranty<br><br>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!<br><br><b>A Brand