World 4-2 is a level found in the game New Super Mario Bros. Wii.
- Star Coin 1: The first Star Coin is floating above a floating Barrel and under a row of three ? Blocks and two Brick Blocks. Mario and co. should simply jump on the Floating Barrel to get the Star Coin while watching out for Cheep Cheeps.
- Star Coin 2: The second Star Coin is floating under a ledge. Mario and co. should climb to it while being careful for Cheep Cheeps.
- Star Coin 3: Not far from the second Star Coin, the third Star Coin is floating in an opening in the rocks. Mario and co. should jump to it fast before the Donut Block ledge falls.
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