The course is large, encompassing many different elements introduced in previous levels. Along with Magnets which coat various surfaces, there are multiple Pink Block outlines standing around the platforms, as well as Red Girder Rivets placed across the bottom floor. All Minis start in separate rooms placed along the left side of the stage. Both the Cursed Mini Mario and the bottom Mini DK are initially blocked behind walls of Red Color Blocks, and cannot move outside unless the Mini DK at the top presses the Red Color Switch in front of him. Soon after reaching the bottom floor, the Minis encounter a High Spring that allows them to reach a cross-shaped Magnet that branches towards two Color Switches on both sides of the Magnet. The objective of the level is to press these Color Switches and disable the Color Blocks that prevent access to the Goal Door in the bottom left corner. In addition, the Cursed Mini Mario has to be reverted to a normal Mini Mario by hitting it with a pair of Hammers found in the center of the course.
The M Coin is located inside a Magnet room at the top of the course. To access this room, the player should enable the Blue Color Block stairway that begins in front of the yellow Split Pipe at the top. Once they exit this Pipe, the Minis should climb the Blue Color Blocks and stick to the magnetic surface that leads inside the room. When they reach the ceiling from inside, a Magnet Switch should be pressed to disable the Magnet, causing the toys to fall onto the coin.
The following data applies in both the Nintendo 3DS and the Wii U versions of the game.