The Learning Journey: Early Learning, Hey Diddle Diddle Children will sing and learn with the classic nursery rhyme Hey Diddle Diddle The large handle makes it easy for little hands to hold this portable unit Features fun sound effects, a blinking light, four interactive buttons and the familiar "Hey Diddle Diddle" melody Requires two AA batteries (included) For ages 1 and up Includes 4 interactive buttons and a blinking light Play "Hey Diddle Diddle" melody Fun sound effects Automatic power shut-off