A rarity is something that is difficult to obtain, perhaps being scarce.
Rarity can also refer to:
https://en.wikipedia.org/wiki/Rarity
Rarity
Rarity's failed on her fashion design, what she gonna do now?
"There are all kinds of interesting questions that come from a knowledge of science, which only adds to the excitement and mystery and awe of a flower."
Failed.
Rarity
Rarity's failed on her fashion design, what she gonna do now?