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Go into the first castle and when you get to the partwith the 4 rows of falling blocks run and jump at the black part of the left wall.

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9y ago
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12y ago

There is no cannon that takes you to world 4. You have to beat the mummy pokey in world two as Mini-Mario. The cannon in world 1 takes you to world 5 instead.

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Q: Super Mario Wii bros how do you unlock the cannon in world 4?
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