For anyone who´s ever wanted to assemble their own Transformers, this is as close as you´ll ever get without working in a Hasbro or Takara factory. Hasbro´s new Built to Rule (BTR) line are lego-like sets that enable fans to construct their own Transformers action figures. They seem to be fully transformable. There are several figures in this line, including Optimus Prime. Check out these these large photos of Jetfire´s box. Stay tuned for more updates!