Color your way to creativity with this optical coloring book for adults from Mindware®! Modern design was derived from abstract art, which explores the artists interpretation of natural objects. Each of the original optical patterns in this coloring book brings to life the spirit of modern design by using form and space to produce sensations of movement and light. These optical illusions are full of depth and texture. Select your favorite colors and investigate the illustrations maze-like quality. Designs appear twice, so you can experiment with the patterns. Includes 23 images printed on artist-quality paper. 8 1/2" x 11"