The Mud Flat Mystery

What's inside the box? It's a quiet morning in Mud Flat when Hobart the deliveryman delivers a large, mysterious package to Duncan's porch. With Duncan away on vacation, the neighborhood is wild with curiosity. What could be inside? Is it food? Should they guard it? Can the residents of Mud Flat wait for Duncan to get home and open the box, or will their curiosity get the best of them?