From the Super Mario Wiki
The course is set in an Asian-style house, with two Spikes who continually produce Spiked Balls. The player starts on the top level, where they can move a series of Touchstones to get across. Eventually, they must fall down to a lower level, where they will be blocked by a barrier. To destroy the barrier, the player must move Touchstones to direct the Spiked Balls towards the barrier. After crossing some spikes, the player can then proceed back up to a higher level, where they once again must move Touchstones to cross, and eventually they must return to the lower level, where they are blocked by one final barrier. Beyond this is the Power Star.
8-bit Luigi is on the painting just beyond the star.
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