Pterosaurs 1000 Piece Puzzle: Pterosaurs 1000-Piece Puzzle. Box size: 10″ × 14″ × 2.37″. Finished Size: 19.25″ × 26.5″. The Pterosaurs is also known as the “winged lizard” of the Cretaceous period. Although they varied in size; the largest one had a wingspan of 34 feet and would look like an F-16 plane flying in the air today. The Pterosaurs is the biggest animal ever to fly in the history of the world. Strong high-quality puzzle pieces. Made from recycled board and printed with vegetable based ink. This superior quality puzzle will delight and educate all at the same time.