LEGO Humungousaur building figure

In Ben 10 Alien Force, transforming into the size-changing and immensely powerful Humungousaur gives Ben the ability to overwhelm adversaries and take battle to a whole new level. Buildable by kids aged 5+, the alien includes glow-in-the-dark eyes and chest Omnitrix. Collect all six LEGO Ben 10 Alien Force aliens and combine them into your own morphed super alien!