A collection of interactive soft books which make story time fun. Touch the activator to the silver buttons throughout the book to hear different sounds. Plays 8 Ocean sounds. Designed for parent and child playtime and reading. Sentiment: “Life is Better with You.” DEMDACO Ocean Friends Book with Sound By Love To Play Collection. 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.