Optical Puzzles. Over 200 Captivating Puzzles to Test Your Eyes and Brain Power

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The fascinating optical puzzles in this book will challenge your eyes and imagination! From illusions that appear to spin or vibrate, to hidden images and impossible figures, this collection will amaze and perplex you. Each illusion is accompanied by a solution or explanation that sheds light on the interaction between your eyes and brain. The illusions in the book include those involving size and shape, ambiguous and impossible figures, brightness and movement, and visual and cognitive tests.