Music and action combine in this beautifully nostalgic jack-in-the-box toy from The World Of Eric Carle! Simply wind up the handle to hear the classic nursery rhyme 'Pop Goes The Weasel', and wait in anticipation for The Very Hungry Caterpillar™ to jump out at the end of the tune! Little ones will be delighted by this charming musical toy, which also features iconic illustrations on all four sides of the box.