Answer:
What has 13 hearts but none beat?
What surrounds the world, yet dwells within a thimble?
What can you throw but not catch?
I am what remains when nothing is left.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.
What did the piece of wood say when he saw the screwdriver and screws approaching?