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With this professional-grade tumbling set from Dr. Cool, making beautiful gemstones is easy: Just add the polishing grit, water, and unpolished stones into the machine, set it, and wait.
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Pro Tumbler
$99.99
Ensure that you have enough polishing grit for your rock hound adventures with this Discover with Dr. Cool™ Rock Tumbler Refill Grit.
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Polishing Grit Refill
$7.99
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