Bag of Knowledge - Slippery Spheres
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$4.99
SKU DUNBKB367
Item # BK-B367 Slippery Spheres are fun to throw, and they slip, slide, bounce and explode! Simply fill a cup or bowl with water and add Slippery Spheres. In less than one day, Slippery Spheres will expand to over 200 times their size as they grow to the size of a marble!