365 Optical Illusions.by Maj New 9781770857568 Fast Free Shipping**

Name: 365 Optical Illusions.by Maj New 9781770857568 Fast Free Shipping**
Brand: Firefly Books Ltd

Firefly Books Ltd

An incredible 365 optical illusions.\n Why not experience a mindbender every day? This book is a great way to enjoy an optical illusion every day or take them in all at once. \n Every page features an optical illusion from one of the three main types - literal, physiological and cognitive. \n Literal optical illusions create images that are unique from the objects that make them. Physiological illusions occur when the eyes and brain are subjected to excessive stimulation by brightness, color, size, position, tilt or movement. Cognitive illusions are the result of unconscious inferences. All trick the mind into perceiving something altogether different than what the eyes see. \n The 365 illusions here are based on those variations. There are instantly recognizable classics that trick the eye no\n\n365 Optical Illusions\n\nFree UK delivery on this item.\n\nThis brand new item is available with free UK delivery using Royal Mail tracked services.\n\nPlease note that the price advertised ;