Age of the Dinosaurs Jigsaw PuzzlePut together one side to see these terrible lizards come to life in their Mesozoic Era habitat then take it apart and reassemble the dinosaur skeleton exhibit in your local museum. UPGs Age of the Dinosaurs double sided jigsaw puzzle is two puzzles in one for long lasting fun! 11 x 35 3 8 (30cm x 90cm) UPGs jigsaw puzzles have 1,000 pieces with a snug fit fun for adults and for older kids who are just a little too grown up for their own good!