An Elmo puppet and an interactive board book all in one Toddlers can act out the words to the song, ``If You're Happy and You Know It, Clap Your Hands`` with the Elmo puppet attached to this utterly irresistible board book perfect for girls and boys ages 1 to 3. Clap your hands, rub your tummy, scratch your nose--and laugh along with Elmo and all of his beloved Sesame Street friends