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AVRG: $4.99 Age Range: 3 and upSKU or Item #: BK-C371Gender: Boys And Girls
Simply place this unassuming stone in a glass of vinegar and watch beautiful crystals form. Crystals are formed by a completely safe reaction as the vinegar evaporates. This naturally occurring mineral will be sure to delight and amaze.
ToyDirectory Product ID#: 19399 (added 6/16/2008)
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