Baidecor Dinosaurs Jigsaw Puzzles Basswood 500 Pieces Toys Finish Size: 20.6"x15" (52.5x38.5cm) Material: Basswood with protective film, environmental protection. 300-piece jigsaw puzzle is a challenge,be patient. Walk into Jurrasic Park, build your own dinosaur world. Fun to play together especially family activities, nobody will be bored. Build parent-child bonding. A good way to exercise brains, discover your potential, develop a hobby also relax from work.