Beware, the designs herein may boggle your mind and confound your eyes. Does the cube go in or out, is the line straight or curved? You'll have fun deciding while coloring them at the same time. 32 designs.

With this book you can enter a realm of dazzlingly deceptive designs that offer wonderful opportunities for imaginative and inventive coloring. You'll find a host of ingeniously contrived constructions, strange, interlocking shapes and mind-boggling arrangements that defy reality and challenge the imagination to grasp their form and structure. Optical illusions are always fun to look at; coloring these masterly mind-bending illusions will add an extra dimension of enjoyment and foster a new appreciation of mysterious pictorial puzzles that make us wonder if seeing is truly believing.

Over 100 ingeniously constructed designs form dazzling optical illusions and geometric shapes, offering ample opportunities for imaginative and inventive coloring. This compilation consists of 4 volumes that are popular with colorists of all ages: Geometrical Design Coloring Book, Visual Illusions Coloring Book, Optical Illusions Coloring Book, and Dazzling Designs Coloring Book.

An interactive activity and coloring book featuring 50-plus "impossible" optical illusions to color along with, and activities that show kids how to create their own optical illusions.

Visual illusions are compelling phenomena that draw attention to the brain's capacity to construct our perceptual world. The Compendium is a collection of over 100 chapters on visual illusions, written by the illusion creators or by vision scientists who have investigated mechanisms underlying the phenomena. --

Watch these amazing optical illusions materialize in front of your very eyes as you color them in! Aimed at compulsive doodlers and colorers, this book contains 40 stunning illusions with keys to the hues that produce the most striking effects. Any medium from felt tips and paint to markers and pencils will work, and full-color renderings of each design serve as a guide.

Color these 30 original designs to make the interlocking rings, cubes, and other shapes stand out. Some visual illusions will even seem to move back and forth.