Answer:
I'm light as a feather yet the strongest person can't hold me for more than a few minutes. What am I?
Canine children.
I cannot be bought, cannot be sold, even if I'm sometimes made of gold. What am I?
I plow and plow, but never sow. What am I?
What kind of band never plays music?
What did the piece of wood say when he saw the screwdriver and screws approaching?