Barnyard Friends Sound BookTouch the activator to the silver buttons throughout the book to hear different sounds. Features sounds of various barnyard animals such as a hen, puppy, pig and calf. Designed for parent and child playtime and reading. Made of polyester and Velcro. Measures 8" x 8". Uses (3) 1. 5 v button cell batteries, included. Batteries replaceable via the opening on the last page.