Optical Illusions

This ebook is a colorful collection of 36 mind-bending optical illusions in eight categories: Illusions of Size Illusions of Perspective Geometric Illusions Illusions of Contour Illusions of Color Grid & Motion Illusions Illusions of the Possible Ambiguous Images. There is one illusion per page, and each illusion has a question for the reader to answer. The second half of the book provides the correct answers, with illustrations and explanations of how the illusions work. Readers of all ages will be fascinated! Buy now and enjoy!