The museum is filled with Oz items. There are 9 rooms filled: bathrooms, closets, hallways, main rooms and even the room separating the first floor and the basement. The building once was a grocery store in the 1930s and then an American Legion Hall. There is an Oz Christmas room, partyware room, Oz Halloween room, the main hall is full of dolls, figurines, over 230 musicals, over 130 records, a ruby slipper display, a memorial for the Oz Munchkins especially Meinhardt Raabe (only Wisconsin representative), and Oz kitchen (plates,cookie jars, Oz glasses, Oz salt and peppers shakers, Oz teapots, etc...), hallway of Oz figurines and banks, an Oz play room (puzzles, games, toys, puppets and craft kits), an Oz plush character room (over 80) with Oz posters for the movie (theater, DVD, and VCR), a basement with other Oz movies (Muppets of Oz, Journey Back to Oz, The Wiz, Return to Oz, Tinman), basement has an Oz preschool, an Oz classroom, an Oz bedroom, an Oz library, an Oz tin area, an Oz beauty center, an Oz garden center, an Oz time area, Oz nutcrackers and figurines, a WICKED Broadway play area, a display for Judy Garland as a memorial to her, and Wizard of Oz cartoon animation cells and posters.