Transformers Age of Extinction Construct-Bots Dinofire Grimlock and Optimus Prime Set Build Optimus Prime and Dinofire Grimlock figures with the 79 pieces in this set Build Optimus Prime figure as robot Build Dinofire Grimlock figure as robot or dino with light-up Firebreath launcher Optimus Prime figure in robot mode can ride Dinofire Grimlock figure in dino mode Includes 9 missiles and 2 rapid-fire cannons