Swing Bridges is the 2nd Master stage of Super Monkey Ball 2 and Super Monkey Ball Banana Mania, the 272nd Ultimate stage without continues in Super Monkey Ball Deluxe, and the 122nd Marathon stage of Super Monkey Ball 2 in Super Monkey Ball Banana Mania.
The stage involves several bridges that move in a pattern, making it where you can't always cross them. There are two sets of bridges, one in front of the starting platform, which has bridges moving sequentially fast in a pattern, and one rather far behind, requiring a running start to make it on, also getting sequentially fast with each bridge. There is a platform right before the blue goal set but not before the set leading to the green goal.
To get to this goal, cross the bridges to get to it. Both of the first ones can be crossed without much issue if you go pretty fast and aim yourself well. For the third bridge, however, you will need you to get on it and get onto the center, and then move towards the goal platform once it starts swinging back the other way. Then, get onto the goal platform, and roll into the goal.
This strategy is to go forward as fast as possible while moving yourself accordingly, so you will land on the platforms by heading towards the center of each.
This goal is considered very difficulty to obtain, even using a strategy, as you need to execute the strategy as closely to being exact as you can. You will want to go straight forward. And as soon as you are moving across the third bar on the starting platform, stop moving forward, and come to a complete stop. Turn around upon being on the farthest bar. Then, turn around, and begin heading straight for the small ramp on the back of the platform. You'll hit it and will need to coordinate yourself to land and go along the first bridge. You'll fall off to the next platform. And by that time, you should have enough speed to begin surfing across the gaps to the next bridges and to the goal platform. This strategy should get you in the goal.