Build your biggest bot yet! The Transformers Construct-Bots come in pieces, & it's up to you to build them in one of their 2 modes. You can use the 79 pieces in this set to build a huge, 10-inch Dinofire Grimlock figure as a robot or dinosaur. He's even got a light-up Firebreath Launcher & 2 rapid-fire cannons that fire missiles at his foes! When you build your Optimus Prime figure in robot mode, he can ride your Dinofire Grimlock figure into the fight! The action is going to be epic when you build your own Transformers adventures! The Transformers Construct-Bots Dinofire Grimlock features 79 pieces (including 9 missiles & 2 rapid-fire cannons) & instructions. For ages 7 & up. Requires 2 x SR44 batteries (included).