Answer:
A circle of stones, never in rows. Stacked one on the other, mystery it sows. What is it?
Goes over all the hills and hollows. Bites hard, but never swallows.
What type of paper can you neither read nor write on?
Find an English word that uses all of the following letters: PNLLEEEESSSSS
I can be used to type and point you see. But don't forget, you can count on me. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?