Watch Alvin the allosaurus come to life when you press the button. Alvin jumps when you press the button on his back or if activated by other InterAction figures.Press the button to open his jaw and hear him talk and singOver 50 dino sounds and phrases when used with other Dinosaur Train InterAction figuresSmartTalk technology allows the InterAction figures to recognize each otherGather all your Dinosaur Train InterAction Figures and watch as they sing, talk and react with each otherRequires 2 AA (included)Ages: 3+