Floor Puzzle: Ankylosaurus (100pc)Snap together a once living tank with this hulking Ankylosaurus Magniventris puzzle. This 100 piece double sided jigsaw puzzle gives kids a dynamic learning experience as they complete it. Children can piece together sections of the Ankylosaurus's body on one side; on the other, they discover intriguing facts about this incredible dinosaur. These imposing plant eaters roamed during the Cretaceous period along with predators like the Tyrannosaurus rex.