Fisher Price Imaginext Dinosaur Skeleton Skull Head with Sounds & Eyes That Light Up, H5341 T-Rex Mountain, 2005, The set was Discontinued in 2010, The Eyes Light Up & Flash, It Makes Chomping Sounds & Burps, The Jaws Can Be Opened, The Tongue Lifts Up When One of the Red Buttons is Pressed, Has Been Tested, it Operates on 3 AAA Batteries, Batteries are Not Included