How to Collect the Impossible Coin in Super Mario 64
- 1). On the upper floor of the castle, jump into the smaller painting. You will enter Tiny/Huge Island as a giant.
- 2). Proceed up the hill where the giant bowling balls are rolling down.
- 3). Stop when you see the bowling ball generator--the large, square hole in the wall at the top of the incline.
- 4). Hug the right wall and walk slowly as you approach the bowling ball generator. This will cause Mario's feet to move through the level and collect the impossible coin located underneath the right side of the bowling ball generator.