Answer:
What is yellow, looks like the moon and has seeds?
They can be harbored, but few hold water. You can nurse them, but only by holding them against someone else. You can carry them, but not with your arms. You can bury them, but not in the earth.
What turns everything around but does not move?
I bind it and it walks. I loose it and it stops.
It is worldwide, but once only a spider could weave one
What did the piece of wood say when he saw the screwdriver and screws approaching?