From the Super Mario Wiki
Captain Toad starts on a platform next to three rolling platforms. The two blue ones roll towards the platform, and the green one rolls away from the platform. Captain Toad must use the green platform to continue while avoiding the first of two Charvaarghs. When he approaches the first Propeller Platform, he must activate it using the microphone to reach the top of the level. There, he must go on a rolling platform in the middle of the three (while avoiding the second Charvaargh), which leads to another Propellor Platform following the Power Star. (In the Switch version of this level, the Propellor Platforms were replaced with Lifts.)
The Pixel Toad jumps across the back of the stage under Super Gem 3.
An 8-bit Luigi can be seen running inside one of the spinning wheels.
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