The power of alien creation is in your hands! Create your own custom 3" mini figures by mixing and matching alien body parts. Select and combine the parts inside the Omnitrix-inspired chamber, and then launch the fully formed and articulated alien figure! The set comes with 4 figures to mix and match, including Heatblast, Four Arms, Wildvine and Grey Matter. It also includes a storage compartment to keep additional figure parts when you expand your collection.