Pre-School Numbers Puzzle Pairs is a simple matching game designed to help children develop number recognition, counting, and pre-reading skills. The player must match each Number piece to its correlating object piece that matches in quantity. Made of durable thick card stock. Illustrations by Monika Forsberg. Includes 12 number puzzle pairs, box measures 7 x 7 x 1.75 Inches. Suitable for ages 3 and up.