From the Super Mario Wiki
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The level features three Mini Marios, though not necessarily in the same starting positions.
One Mini Mario begins near the bottom right while the other two begin just above it, with the exit door on the top right. In order to reach it, they must simply be guided via a series of High Springs and Red Girders to it.
The M-Token is located at the top right, right next to the exit door. To collect it, a Mini Mario must simply approach the High Springs leading up to it while moving right.
Mini Mario Card
The Mini Mario Card is located at the bottom left, just above the bottom left High Spring. The bottom right Mini Mario must simply move from its starting position to reach it.
In order to earn a trophy, the player must score 15700 points.
In order to earn a trophy, the player must score 14900 points.