Smithsonian - Magic Rocks

MCNN52381

$17.99 

This Instant Crystal Growing Kit offers youngsters an intelligent pastime that is truly amazing to watch. Once the outside of the aquarium is decorated with the stickers and the outer space background, place the rocks at the bottom then add the solution. The rocks grow up to 4 inches within 2 hours. ADULT SUPERVISION REQUIRED. SORRY, AVAILABLE FOR USA MARKET ONLY.

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