33 Subjects, 132 Cards. Designed for the Primary classroom. These three-part photo card sets are color-coded to match the continent colors on the Montessori World Puzzle Map (Nienhuis). The continent color frames the image. This comprehensive collection features a set for each class of vertebrate for each continent. Introduce individual sets first, then mix the sets so children can sort and match the animals to their continents, or their kind. Set includes a simple sentence card for each animal and background information. Control card with label measures 4" x 5".