How cool is to make realistic animal sounds? Any outdoor naturalist will love to try it! Hoot n' Holler Animal Caller Horn is horn shaped voice changer that lets kids making forest animals sounds. This 9-inch horn will help your outdoor explorer roar, bellow, howl, and more! The animal voice effect creator features 9 different animal calls on its dial. Adjust the dial to any critter you try to sound like and blow into the horn! The animal calls maker comes with a handy strap and animal details. Educational Toys Planet's animal sound horn requires 3 AA batteries (included).