Answer:
What goes inside boots and outside shoes?
This sparkling globe can float on water. It is light as a feather, but ten giants can't pick it up.
Mouth up it gets filled, mouth down it gets empty.
Touch this and you'll regret it. But if it's cold, you won't forget it. What is it?
We are two brothers on opposite sides of the road, but we never see each other. Who are we?
When is it bad luck to see a black cat?