This is the TIE Crawler from the Star Wars Expanded Universe. It was not featured in one of the six Star Wars movies, but I thought this set looked too cool to pass up! It has flip-out lasers, the treads move, and the cockpit can revolve independent from the treads! I think this set looks amazing, but I still have one complaint. The treads are made up of individual pieces, and assembling them took a large amount of time and concentration. As bad as that was, I think it was worth it! What do you think?