Gleam Glacier 6-7
From the Super Mario Wiki
At the start of the level, the player will need to go to the left, and activate a ! Block to progress. After this, they will need to use the Joy vibe to hit another ! Block, which will cause platforms to appear, after crossing the platforms, they will need to hit another ! Block to make a platform disappear, so they can get to the Warp Pipe. The next area has a Glad Piranha Plant before a platforming section. After this, a bouncy ball needs to be used to cross an area with spikes, before another platforming section and the Warp Pipe. The next room has lots of Warp Pipes, and the fifth ones leads to an area, which unlocks a level in Toad Jump. Below the Warp Pipes are more Warp Pipes, and the sixth one from the center leads to the goal gate.