Natural Science Industries, Ltd. Rock Tumbler

Product Features

• Includes amethyst
• Includes jasper
• Includes agates

Overview

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 (incl
uding amethyst, jasper, agate and others), grit, polish, jewelry settings,
glue and instruction manual. Ages 10 and up.