Hidden Life
On the final level, Bowser in the Sky, there is, around the third floor, a pole on a moving platform with Shockers (balls covered in electricity) surrounding it.
It is after the moving platform with the heart. If you notice, there are 3 coins on the side.
Run around in a circle and collect all of the coins and a life will appear out of nowhere. There you go! A free life. Its important if you are going to fight Bowser.
Hope this helped!
Koolstr
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