Polish everyday rocks into dazzling gemstones. Enhance your rock collection, or, start a new one! The National Geographic professional rock tumbler makes all rocks look like professionally polished stones. Note: Due to the length of time required to complete a polishing project, this kit checks out for 2 weeks with the possibility of 1 renewal.
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Checkout Length
14 day checkout
Overdue Fines Applied
$1 per day
Instructional Guide
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