Because she didn't have any arms. Knock Knock..who's there..Not Sara.
The one with the smallest
Because he couldn't see that well!
She had no arms
Q: Why did Sarah fall of the swing? A: Because she has no arms. Q:Who's there? A:Not Sarah.
Knock Knock Who's there? 9/11 9/11 Who? I thought you said you would never forget!
Didn't have any hands.. (the real punch line) Knock knock.. Who's there Not Timmy..
2.Knock Knock 1.She didn't have any arms!! 2. Who's there NOT SARA!!