Answer:
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around.
Often held but never touched. Always wet but never rusts. Often bits but seldom bit. To use it well you must have wit.
I count time, but have no end. Tick tick, but I am not a clock. What am I?
A little pool with two layers of wall around it. One white and soft and the other dark and hard. Amidst a light brown grassy lawn with an outline of a green grass.
Runs smoother than any rhyme, loves to fall but cannot climb!
What did the piece of wood say when he saw the screwdriver and screws approaching?