Our latest edition to the 'City Spirit' series, St. Louis stands out with its iconic landmarks. Travel down the mighty Mississippi, toward the towering silhouette of the Gateway Arch. Your adventure is just beginning as you assemble this remarkable jigsaw, and the changes are revealed piece by piece.

Here's the twist: The puzzle ON the box is more than a bit different from the puzzle IN the box! The cityscape will come to life with each of the differences you spot.