National Geographic Starter Rock Tumbler Kit
$39.99 $31.99
This rock tumbler kit with gemstones and grit includes a durable motor and a leak-proof, rubber-lined barrel for quiet operation. It has ½ pounds of rough rocks featuring nine gemstone types, five jewelry fastenings, and a four-stage polishing grit. It also provides detailed instructions and a learning guide about the rock tumbling process and gemstones. Price drops from $39.99 to $31.99. Shipping is free with Prime or on orders over $35.
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