Answer:
What travels around the world without leaving the corner?
What word is the same written forward, backward and upside down?
It can be clear like water, but it burns like fire.
If you need a night out, call one of these over to take the little ones off your hands for a while.
What has no hands but might knock on your door, and if it does you better open up?
When is it bad luck to see a black cat?