Yellow Marshmellow and Green Jellybean are very curious about the World around them! They want to discover if what you put out is what you get back! If you smile at other people, for example, will they smile back? This quest leads them on an adventure at the Evergreen Zoo where they meet lots of friendly animals and friendly people, too. When you read what they discover, you will also know whether what you put out is what you get back! Have a fun trip to the zoo with Yellow Marshmellow and Green Jellybean and learn some important truths about Life!