Lego has a number of Mecha lines especially in the first decade of the new millenium. Exoforce was the main one, but the most successful theme actually is this one, Bionicle. I'm not a huge fan of Bionicle, and I have absolutely no idea about the crazy storyline that drives this theme. I've only been picking up the sets that are available, and that I like, and this one was going for cheap so...
