Somewhere in the United States, a treasure chest is hidden. Inside, there is a golden key and a secret message written on a hundred dollar bill. If you can find the golden key, you can claim the real world treasure, filled with gold, silver, diamonds, rubies, old world coins, and more. All the information you need to find the golden key are in the book, The Hatter's Hat.
Learn more about the Wonderland Treasure at The official Wonderland Treasure website.