Answer:
Though I have neither legs nor feet, my use is for to go; Although I cannot speak, I tell what others want to know
A time when they're green. A time when they're brown. But both of these times, cause me to frown. But just in between, for a very short while. They're perfect and yellow. And cause me to smile.
There is a puzzle which can be asked all day with a different correct answer each time. What is the puzzle?
What begins and has no end? What is the ending of all that begins?
I am round as a bowl, deep as a tub, but all the world's water couldn't fill me up.
What did the piece of wood say when he saw the screwdriver and screws approaching?