Smithsonian Rock Tumbler Toys Whether it's for imaginative play

Whether it's for imaginative play

or prehistoric-themed curiosity

high-density plush material and friendly design make her an ideal companion for young paleontologists and dinosaur enthusiasts alike

and Brachiosaurus

Explore the science of sight with the Eyeball Plush

Smithsonian Rock Tumbler Toys Whether it's for imaginative playTurn rough rocks into beautiful, polished stones that you can use to make charms, bracelets, keychains, and more. Begin by tumbling the included rocks in a barrel with water and grit, then repeat this cycle using progressively finer grits. In just weeks, the Smithsonian Rock Tumbler mimics the process that takes oceans thousands of years! Turn rough rocks into beautiful, polished stones! Includes accessories to make charms, bracelets, and keychains.