2 products in this category, displaying products 1 to 2.
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Gotcha Gadgets Get set to amuse and confuse! Build 4 electronic gizmos to play 20 tricks on your friends and family. Gotcha Gadgets combines serious science with funny ...
Wierd Whacky Wild Stuff Book Egg head garden, instant volcano, squeeze rocket, jiggle finger paint, spaghetti art–weird and wacky enough yet? Use this book to help make 225 wonderf...
