National Geographic Rock Tumbler Kit w/Gemstones

This kit includes a durable motor and a leakproof rubber barrel for quieter operation. It comes with four polishing grits, a sifter, nine types of rough gemstones, and a learning guide. The kit features simple instructions, one-touch settings, a timer, and an automatic shutoff for easy use. Price drops from $59.99 to $43.49 w/ free shipping.