It took a lot of testing and brainstorming to find a way to make a fun level that utilizes the mechanics of Super Mario 3 in Super Mario Maker. This is the result.
There are 2 things with this video. One, keeping p-speed is actually harder than you think. Two, the timer isn't that tight, there is unoptimized flight everywhere and my sum of best puts the final timer around 4 seconds left.
Level ID: 5FE4-0000-0102-9897