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Smithsonian Rock Tumbler STEM Kit Includes Charm Accessories for Charm Brac
From: NSI INTERNATIONAL INC.

Other products from NSI INTERNATIONAL INC.

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MSRP: $45.45
Category: Bracelets
Key Chains
Rings



This rock tumbler transforms rough stones into polished gems using a mechanical tumbling process. The polished stones can be used to create jewelry pieces such as necklaces, charms, and keychains. The set includes a 35" x 23" color instructional poster with step-by-step guidance.


ToyDirectory Product ID#: 52784      (added 7/7/2025)

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