Answer:
What has no hands but might knock on your door, and if it does you better open up?
There is one in every corner and two in every room.
What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?
It goes up and down the stairs without moving.
What can be broken without being touched?
When is it bad luck to see a black cat?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?