Rrroar! He's alive! Build the monster dinosaur with the new power functions to make him walk forward or backward, move his head and arms, and roar! Add glow-in-the-dark elements to make him even more intriguing. When the Monster Dino has finished battling, create a walking spider or a crawling crocodile. Step-by-step instructions for three models in one box, plus photo inspiration for many more. Includes battery box, two motors, sound brick, remote control and additional infrared sensor. 792 pieces.