NSI - Smithsonian Rock Tumbler

This is the real thing! Heavy duty rock tumbler does much more than ordinary rock polishers - it actually changes rough stones into beautiful high-luster semi-precious gemstones. You can even make jewelry and key chains with the settings included in this set. U.L. Listed. Set includes tumbling machine with heavy duty motor, rough semi-precious stones (including amethyst, jasper, agate and others)grit, polish, jewelry settings, glue and instruction manual. Ages 10 and up.