Answer:
I'm not really more than holes tied to more holes. I'm strong as good steel, though not as stiff as a pole.
What lies in a tunnel of darkness. That can only attack when pulled back?
We are five little objects of an everyday sort. You will find us all in a tennis court.
It is able to speak because it has a hard gone. You know what it is as soon as it has sung. What is it?
Take one out and scratch my head, I am now black but once was red.
What did the piece of wood say when he saw the screwdriver and screws approaching?