This MasterPieces 18" x 24" 300pc EZGrip Audubon Puzzle is full of colorful beautiful songbirds of North America and sponsored by the National Audubon Society. EZ-Grip puzzle has large pieces, perfect for older puzzlers to grip, or for young puzzlers ready for the challenge. To reduce its impact on our environment, the chipboard used in this puzzle is made of recycled material.