The Love to Play Soft Books with Sound make reading extra fun. When the attached wand touches special spots throughout the book, a sound plays. Plays 8 Classical Music pieces. This book is great for young children to explore their curiosity and develop their minds. It is also a medium for the parents to bond with their children over a fun activity. If you are looking for a book which provides educational content for your child while at the same time keep him entertained and occupied, this is the ideal book for you. Have fun with your little one with this wonderful interactive plush book. Place the traffic light activator on each silver button to hear different sounds. Simple to use. Batteries included. Measures 8" x 8".