Go back in time with the Dino Constructables Build Moving Dinosaurs Set by TOMY. This fun construction toy includes 18 pieces to build 4 different dinosaurs. Use the colorful building pieces to construct your thunder lizards and make them look like you think dinos looked! Then, add another level of fun to your building by attaching the battery pack and several other different mechanical parts. Now get ready to go back to the Jurassic. These mini dinos will move, make sounds, and roar just like real dinosaurs! The Dino Constructables Build Moving Dinosaurs Set lets preschool paleontologist construct such prehistoric beasts as the T-Rex, Triceratops, Brontosaurus, and the Mastodon. The dino building set requires 1 AA battery (not included). This dino toy is compatible with the Constructables Building Set available at Educational Toys Planet.