Transformers Generations Combiner Wars Voyager Optimus Maximus combines with 4 other Autobot figures to form the mighty Optimus Maximus Collect each Autobot figure sold separately to build Optimus Maximus. Transformers Combiner Wars Optimus Maximus figure stands 7 inches tall in robot mode. Optimus Maximus transforms from robot to Semi Truck and back and includes his respective weaponry. Each Combiner Wars figure allows for an infinite amount of combining action as the joints of Voyager Class figures allow Deluxe figures to be interchanged to assemble together. Choose your favorite Decepticon or Autobot Combiner or mix and match figures as desired based on the original 8039s Scramble City G1 Transformers concept. The Transformers battle doesn39t get any bigger than this Transformers Generations Combiner Wars figures combine to form giant super robots.