Answer:
A small hill with seven holes.
What goes up when rain comes down?
What has a neck and no head, two arms but no hands?
You fill it and it empties, A metaphor for plenty, Depending on what half you see, It's either full or empty
What time is spelled the same forwards and backwards?
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?