Shape Shifters

"Be amazed by mind-boggling optical illusions, then create your own to astound your friends! Hands-on experiments, easy-to-understand explanations, and top tips for making optic art all combine to create an awe-inspiring collection of optical illusions. Make impossible shapes and structures, watch images change before your eyes, see why you can't always trust your sense of space- and learn the science behind these awesome shape shifters."--Back cover.