Chugga! Chugga! Toot! Toot! Climb on board the Sesame Street train! Where will it stop? The park where Elmo plays with his friends! The forest where Big Bird picnics with his grandma! An art museum where Cookie Monster sees cookies everywhere! And more! Really two books in one, All Aboard! offers a ride-a-long story on one side and fun seek-and-find activities on the other. Hop on for an exciting trip of discovery!