Answer:
What is black when you buy it red when you use it and gray when you throw it away?
To cross the water I'm the way. For water I'm above I touch it not and truth to say I neither swim nor move.
Mr. Red lives in the red house. Mr. Blue lives in the blue house. Mrs. Pink lives in the pink house. Who lives in the white house?
Only one color, but not one size, stuck at the bottom, yet easily flies. Present in sun, but not in rain, doing no harm, and feeling no pain. What am I?
2 in a corner 1 in a room 0 in a house but 1 in a shelter.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?