Smithsonian Rock Tumbler
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Mochi Mural by Amanda Jane Jones
Happy Boxes
Happy Dots
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!
• Turn rough rocks into beautiful, polished stones!
• Includes accessories to make charms, bracelets, and keychains.
• Mimics the same process as the ocean.
• STEM content teaches about different types of rocks and how they form.
• Ages 10+
Why Choose Mochi?
Made in the Usa
Our supply chain is made up of small businesses right here in the USA.
Small Batch
To minimize waste and keep our designs nimble
Gender Neutral
Mix-and-matchable pieces you can pass down to a sibling or friend
For Kids + Parents
Kid-friendly designs in parent-pleasing aesthetics
