Smithsonian Rock Tumbler Plush Celebrate the amazing work your

Celebrate the amazing work your kidneys do every day with this charming and educational plush companion

featuring a detailed spider design crafted from titanium steel and 316 stainless steel

ensuring durability and safety

Comes in an unfinished wooden display box that keeps specimens organized and ready for study or display

Sustainably Sourced: Made with recycled board and printed on FSC®-certified paper using vegetable-based inks

Smithsonian Rock Tumbler Plush Celebrate the amazing work yourTurn 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.