Add to Cart Transformers Construct-Bots OPTIMUS PRIME Vs. MEGATRON Buildable Action Figures Hasbro RRP: Now: £39.99 Was: Construct! Customise! Convert!These 2 Transformers Construct-Bots come in pieces, and it's up to you to build them both! Use the 135 pieces to build Optimus Prime and Megatron robots. Once they're built in robot mode, arm them with their firing missiles... RRP: Now: £39.99 Was: Add to Cart