Smithsonian Rock Tumbler

A great way to learn about geology!

Turn rough rocks into polished gems: Discover and learn the fun process of rock tumbling with this Rock Tumbler. Tumble the included rocks in a barrel with water and grit, then repeat this cycle using progressively finer grits. In just weeks, your rocks will mimic the process that takes oceans thousands of years! Includes accessories to make charms, bracelets, and keychains

Includes:

• 1 ETL-Listed Rock Tumblr (1 Barrel, 1 Lid, 2 motor friction rings, 2 axle-wear plates, 1 rubber O Ring Gasket)
• 1 bag Rough Semi-Precious stones
• 1 bag coarse grit
• 1 bag medium grit
• 1 bag of polish
• Accessories (1 pot of glue, 12 plastic anchors, 2 key rings, 2 rings, 6 cords, and a color poster)

WARNING: CHOKING HAZARD-Small parts. Not suitable for children under the age of 3 years.

Ages: 10 and up