Optimus' semi-truck form is also based ... Read more: 5 Forgotten PS3 Features That Are Pure Nostalgia The original ...

Lego's 1,508-piece Optimus Prime model can transform into a truck, which makes it one of the coolest Lego builds around.

In almost every Transformers series, cartoon, anime, comic book, video game and movie, Optimus Prime is the valiant leader of the Autobots. Known for usually transforming into a semi-truck or fire ...