Big Book of Geometric Designs and Illusions to Color (Dover Design Coloring Books)
by Koichi Sato
Category: Juvenile Nonfiction

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.