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 ho

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 whi

Over 100 ingeniously constructed designs form dazzling optical illusions and geometric shapes, offering ample opportunities for imaginative and inventive colori

Mind-boggling illusions that move, spiral, and drift as you color. Features more than 120 gorgeous pull-out illustrations ready to be brought to life. Perfect t

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