Piecing together a jigsaw puzzle is an activity that is both fun and educational for kids. All of our 550 piece jigsaw puzzles are made in the U.S.A. with recycled materials. Fully interlocking and randomly shaped pieces result in a truly pleasant puzzle building experience. Each jigsaw puzzle is produced on thick, premium quality blue board, so every completed puzzle is ready for mounting and framing. Puzzle includes 50 pieces and measures 18" x 24" when completed.