The Indominus Rex is a genetically modified hybrid dinosaur and the primary antagonist of the 2015 blockbuster film Jurassic World. Created by InGen's chief geneticist Dr. Henry Wu, it was designed as the park's ultimate attraction, combining the size of a T-Rex with the intellect of a Velociraptor. This inflatable costume inflates and stays inflated due to the zip up closure. Ensure cuffs are sealed tightly for best air pressure in costume, and adjust the blower fan to point upwards towards the head for best total inflation. This Indominus Rex Jurassic World Inflatable comes with a fan and a dual source battery pack that uses your choice of 4 AA batteries (not included) or a portable charger and USB cord. This inflatable Blue costume fits best on adults 64"-72" tall. The inflated height is approximately 80" tall.. Other Jurassic World, dinosaur and inflatable costumes and accessories (masks, gloves, theatrical makeup...) are sold separately on our page – subject to availability.