Curl Pipe is the 6th Expert Extra floor in Monkey Ball, Super Monkey Ball, and Super Monkey Ball Banana Mania, as well as the 16th Expert Extra stage and the 266th Ultimate stage without continues in Super Monkey Ball Deluxe and the 96th Marathon stage of Super Monkey Ball in Super Monkey Ball Banana Mania.
This stage features a curled pipe, hence the name. The pipe is black with metal ends. There are yellow arrows inside the pipe to help the player know where to go. There are two holes in the pipe. There is a circular platform with a hole in the middle, leading to the pipe, on which the player starts, and there is a circular platform at the end, which has the goal.
To get to the goal, make your way to the curled pipe. Then, enter in the pipe, and go really fast in it until you make it to the end of it while turning accordingly to where the pipe is curling. Use the yellow arrows to help you know where to go. Be very careful of the holes in the pipe as they will likely slow down your speed if you bump into them; so try to stay slightly to one side where the holes are. Once you have made it to the end of the pipe, try not to hit the goal or the goal's party ball because you could get knocked off the floor if you do.