Sing, play and beep along with the bestselling Little Blue Truck and his farm animal friends in this interactive board book. Press the book to hear Blue beep If you're happy and you know it, beep along With this new take on the classic sing-along song, kids can interact with their friend Little Blue Truck and beep his horn while they visit with all his farm animal friends. Colorful illustrations, bouncy rhyme and a soft truck with a built-in beeper make this a perfect interactive choice for playtime and storytime.