? Coin

A Question Coin is a special Coin in Super Mario Galaxy. When one is obtained one of the following occurs:

1). A Mario theme will play and a line of musical notes will appear for Mario to collect, usually causing a 1-Up Mushroom to appear.

2). An accumulation of Star Bits or Coins will appear for Mario to collect.

3). A power-up will appear, for instance, the Fire Flower.