Warp Pipes
Location	Multiple, 2 known: Ash's Backyard and Mario's Property
First Appearance	Link's Letter is full of Holes!

Warp Pipes are one of the main modes of transportation in and out of The Mushroom Kingdom. The Real World is connected to The Other Worlds by Warp Pipe. Only three warp pipes are known in Stupid Mario Brothers, they belong to Mario, Ash and Donkey Kong. Mario's warp pipe is located next to his house and goes to the Mushroom Kingdom and Ash's warp pipe is located behind his house and goes to Kanto. The location of Donkey Kong's warp pipe is unknown.

In Link's Letter is full of Holes! they are strangely closed. In Draino won't unclog these Pipes, they try Ash's warp pipe but it doesn't work eventually knowing the threat is in the real world they decide to stay. Donkey Kong also says that he cannot return to his jungle. Later on they find out from Ness that the portals were closed to avoid Nox Decious from invading other worlds.