Filled with 18 amazing designs disguised as numbered squares, Mystery Mosaics activity books from Mindware® are a wonderful addition to your classroom supplies and great adult coloring books, too! At first glance, you won't know what each completed image might turn out to be...follow the number guide, apply color and watch the amazing mosaic picture take shape! This coloring book will build the visual perception skills of the most creative puzzlers. Mindware® educational activities and brainy games are excellent additions to your classroom teaching resources! Includes 18 designs. 8 1/2" x 10 1/2"