DINOSAUR ATTACK: LIGHTS & SOUNDS - PACHYCEPHALOSAURS & CARNOSAURS - Best Collectible Dinosaur Group. Includes two key, mighty, and almighty dinosaurs from the Jurassic Period including Pachycephalosaurs & carnosaurs. Complete with light-up features and realistic dinosaur sounds. Perfect size for those small hands to hold, manipulate, and create adventures. Really so fun to hold and stomp; they�re hard to put down! 9 inches in length. Kids love dinosaurs in this perfect hand-held size. Travel through time to bring back the same level of excitement from when these creatures roamed the Earth. Make each dinosaur walk, run, or even fly through the air with help from little hands. And when there�s the opportunity to battle, the winner remains standing and the loser gracefully falls down. Booyah! School Science - Great addition to make a school project come alive. Reference each additional dinosaur and create a learning component that�s also fun.