The Random House Key is a key item that appears in Super Paper Mario.
The Random House Key can only be obtained from during the very lengthy Piccolo sidequest. It is also the final item acquired in the quest. The player must give the Crystal Ball to Merlee and she will then give the player the Random House Key. This unlocks the locked door in Flopside which leads to a chest containing Piccolo.
- The Random House Key shares it's sprite image with the Old Key.