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Quick view Blue Marble | sku: 210000003325 Explorers Series Rock Tumbler It's all about what's on the inside. Ordinary rocks turn into polished gemstones, showing kids that earth's treasures are all around us. High-quality, leak-proof tumbling machine, polishing grits,... MSRP: Now: $69.99 Add to Cart Compare Quick view Blue Marble | sku: 210000003328 Rock Tumbler Refill Pack MSRP: Now: $16.99 Add to Cart Compare Compare Selected
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