The Mud Flat Mystery

Theres a mystery in Mud Flat. The subject of investigation: a large, special-delivery box on Duncans front porch. The neighborhood is curious. What could it possibly contain? Is it heavy? Or fragile? Should they guard it? Is it food? The suspense is mounting, but Duncan is not home to satisfy his inquisitive friends. Come join the fun--and the intrigue! The Mud Flat sleuths will not be deterred, and there just might be a break in the case....