Kids Preferred The World of Eric Carle, The Very Hungry Caterpillar On the Go Developmental Plush Elephant, 14" Inspired by Eric Carle's beloved book characters Interactive toy features printed fabrics based on original Eric Carle art Developmental features include squeak, crinkle and rattle sounds, pocket play, textured teether, rings and a mirror Exclusive Very Hungry Caterpillar clip for easy attachment to the crib, carrier, or stroller