Answer:
What gets bigger when more is taken away?
I am a candy that looks like a shepherdβs staff.
Goes over all the hills and hollows, Bites hard, but never swallows.
What is black when you buy it red when you use it and gray when you throw it away?
I jump when I walk and sit when I stand. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?