Brain Games™ Optical Illusions helps lower your brain age in minutes a day with 156 optical illusions designed to boost your mind sharpening skills—by fooling your eyes! With pictures that appear to move, flat drawings that look 3-dimensional and images that suddenly change, these brain teaser puzzles manipulate space, depth, color and form to challenge your powers of perception. Enjoy a journey through the pages of Brain Games Optical Illusions and prepare for amazement as you work your cognitive muscles! Spiral-bound softcover, 160 pages. Optical illusions book measures 9" long x 7 1/2" wide.
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