Answer:
The more you take the more you leave behind. What am I?
I hide in a dark tunnel awaiting my time. I can only be released by pulling back. Once released I may do unstoppable damage.
I go around a yard but do not move. What am I?
I have a hundred legs, but cannot stand. I have a long neck, but no head. I cannot see, and I'm neat and tidy, as can be. What am I?
The more you add the less it weighs. What is it?
What did the piece of wood say when he saw the screwdriver and screws approaching?