Fool your brain with striking patterns of closely interwoven squares, stars, and rectangles and flowing interlacements of circles, ovals, hearts, and other rounded shapes, mind-blowing illusions!This book can help you relax and enjoy mesmerizing visual illusions while expressing your coloring creativity. It features more than 50 intricate optical illusions. It is the perfect way to unleash your inner artist and creativity.Perfect for beginning artists Optical Illusions Coloring Book will help you create mind-bending optical illusions to fool your brain and tease your senses.Features:Abstract DesignsGeometric DesignsVariety of designs and patternsEach Image Is Printed One SidedVarious Levels of Difficulty and IntricacyGreat Size: 8.5 x 11 inchesGreat for All Skill LevelsMakes a great giftKws: optical illusion, geometric coloring book, optical illusions book for kids, optical ilusions, optical illusions activity book, optical illusions book, optical illusion book, optical illusions for kids, visual illusion, optical illusion book for adults, visual illusions, illusion coloring books