A captivating collection of kaleidoscopic designs offers endless entertainment These outrageously complex Op Art patterns will challenge even the most experienced colorists. Images of 48 ingenious designs--all consisting of puzzling patterns with intriguingly interlocking shapes--offer ideal opportunities for imaginative and inventive coloring.Pages are perforated for easy removal and display. They're printed on one side only of high-quality paper for the best possible results with colored pencils or markers, paints, and crayons. The enclosed CD-ROM includes all of the book's images, so you can print out multiple copies of each page for unlimited coloring fun!