Brain Games Optical Illusions is a fun way to get the mental exercise you need. You'll be asked to draw on your powers of observation and visual reasoning skills in order to unlock the tricks behind these illusions. More than 150 different optical illusions to challenge your powers of perception. A variety of different optical illusions, from tricks of perspective to perceived motion, are included to keep you entertained. Answer key in the back of the book. Spiral bound, 160 pages.ASIN: 1450875726VSKU: PKV.1450875726.ACondition: AcceptableAuthor/Artist:Publications International Ltd.|Brain GamesBinding: Spiral_boundNote: Any images shown are stock photographs and product may differ from what is shown. Condition Notes: It's been through some chapters of life! Expect visible wear—creases, notes, highlights, maybe even a splash of water here and there. Perfect for readers who love a book with history.
