Box

The Box is an item in Paper Mario: The Thousand-Year Door. This special item can only be used by taking on McGoomba's Trouble. McGoomba wants Mario to deliever this box to Goomfrey. It is unknown what is ultimately in this box, but it is likely dangerous or otherwise crime-related.

Trivia

 * The Box is comparable to the Tape from Paper Mario. Both are sidequest items from early in the game that Mario is not allowed to see the contents of.