Designed to build the visual perception skills of the most creative puzzlers, Mystery Mosaics is filled with amazing images disguised as numbered squares and triangles. At first glance, you will have absolutely no clue what each completed picture might turn out to be. Follow the number guide, apply color, and watch an incredible mosaic design take shape! Features 18 designs, including 4 fold-out, 10x15" double-page spreads. Coordinates with Mindware's Color By Number 36-Colored Pencil Set (sold separately); can also be used with your own coloring tools.