The Party Cube is a giant whie box in Mario Party 4. In the game, Toad, Shy Guy, Boo, Koopa and Goomba sent invitations to Mario and friends so they come inside the party cube. Insiude the party cube are a lot of boards and fun.
Mario, Luigi, Peach, Yoshi, Daisy, Donkey Kong, Wario and Waluigi of course go and do a party insdie the party cube. Inside the party cube, everyone parties and gets a lot of presents.