Illustrated in full color, these optical illusions are cool and fun for all ages. Entertain yourself or impress your friends for hours.
Boggle your mind with afterimages, impossible figures, flip-flopping faces, and more that will confuse your vision. Figure out what the secret message is in the letters that are stretched out. Look at two lines and decide which one is longer (or are they both the same length?). "Bend" a rigid pencil. Stare at a pattern of triangles and see how your mind organizes them into all sorts of imaginary patterns, shapes, peaks, and shades.
*42 pages in Full Color
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