Answer:
I am all around, yet to me you are half blind. Sunlight makes me invisible and difficult to find. What am I?
What is easy to get into, but hard to get out of?
I am made of wood but can't be sawed? What am I?
I start new then become old. Start clean but be one dirty. I usually start big then become little.
I have a small hill with seven holes. What am I?
Special abilities and brightly colored underwear are all you need to be one of these.