Zoomer Chomplingz - Hydro Dino Interactive Dinosaur Hydro is the trouble making, interactive game playing species of Zoomer Chomplingz who's full of bite! Play multiple interactive games! Are you fast enough for Hot Hands? Warped enough for Sound warp? Watch him catch his Goldfish Accessory! Push, play and chomp with Hydro! This mischief-maker may be small, but he's got big chomping action! Chomplingz Hydro is made for kids ages 5+. Requires 3 AAA batteries for operation. Batteries not included.