This Tyrannosaurus rex mask is sure to thrill any Jurassic World fan with its appearance straight out of Jurassic World Rebirth and 3 levels of Rage 'N Roar effects. With authentic movie design, this Tyrannosaurus rex mask is intimidating even in its ""resting"" state-with ferocious teeth, blinking eyes and soft growl sounds. The light-up eye effects increase with three levels of aggression and increasingly fierce growls as the jaw is opened. It's fierce, it's fiercer, watch Out. Eye and mouth openings provide easy wearability, and an adjustable strap provides a secure fit.