Bowl Open is the 41st Expert floor in Monkey Ball and Super Monkey Ball (69th in Super Monkey Ball Deluxe, World 10-2 of Story Mode in Super Monkey Ball Deluxe, and the 219th Ultimate stage without continues (179th with continues).
This stage is a harder version of Bowl. It features a bowl with a big hole in the center. It has a rectangular starting platform that is slightly sloped. The goal is on the left side of the bowl. In Super Monkey Ball Deluxe, this stage is renamed Bowl Open and is given a 7 out of 10 difficulty rating.
To get to the goal, roll with enough speed onto the right side of the bowl, and make your way to the goal by rolling along the bowl until you reach it. Be sure to land as low as you can in the bowl, so you will have as good of control as possible, making it more likely for you not to fall out. If you miss the goal, you can roll around the bowl and try to get into it again.