Description - Faces and Vases!: Optical Illusions by Spencer Brinker
"The image is clear. Or is it? Optical illusions are tricks that our eyes and brain play on us to make us see things differently-like an image that shows two different things, depending on how you look at it. Explore ambiguous images and learn the science behind what makes them work. Then, take a turn making your own optical illusion. Get ready to be eye-mazed!"--
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