Where is the secret exit in World 5 Ghost House?

Secret exit

On the floor above the door that leads to the second Star Coin, the player should see three blocks together. Mario should get on top of them and jump on each one, revealing three invisible blocks.

How do you get the secret exit in World 5?

To get to the secret exit, Mario and co. must fall into the first gap, jump across the second and third gaps, and finally, fall into the fourth and fifth gaps, where they must go through a hidden passage to the left-most door.

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