Funny jokes for little kids

Q: What do cows say when they want someone to get out of the way?

A: Moooove over!

Knock knock.
who's there?
little old lady.
little old lady who?
hey I didn't know you can yodel!

Q: What is white, turns brown and jumps?

A: Toast

Q: What kind of building has the most stories?

A: The library!

Q: What's big, grey and goes round and round?
A: An elephant stuck in a revolving door.