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Box of a Smithsonian Rock Tumbler kit with images of polished stones and charms. STEM toy for ages 10 and up. Includes a bonus refill kit and safety warnings.
A vibrant yellow Smithsonian Rock Tumbler with a sleek black barrel nestles amidst an array of polished, colorful stones.
Box of a Smithsonian Rock Tumbler kit with images of polished stones and charms. STEM toy for ages 10 and up. Includes a bonus refill kit and safety warnings.
A vibrant yellow Smithsonian Rock Tumbler with a sleek black barrel nestles amidst an array of polished, colorful stones.
Toysmith

Rock Tumbler Smithsonian

$79.99
SKU: 7411
Ages: 10+
Turn 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!
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