Big Steely's sprite from Super Mario World
|First game||Super Mario World|
It also appears in Super Mario 64, where is does the same thing. In Super Mario 64 DS, only Wario can destroy these in his base form. If other characters are under the effect of a Super Mushroom, they can also destroy it.
- It was found in the files for Super Mario Maker. It could have been a scrapped item for the game