Answer:
I regularly change shape yet remain a sphere. I am always there but not often seen. What am I?
I have two eyes in the front and a lot of eyes on my tail
The more it dries, the wetter it becomes. What is it?
What is black and white and red all over?
I have wheels and flies yet I am not an aircraft.
The answer I give is yes, but what I mean is no. What was the question?