Answer:
The older they are the less wrinkles they have.
I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. If you remove the third, it still remains.
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard.
I always run but never walk, I sometimes sing but cannot talk, No head on which a hat to place, You always look me in the face.
What is eaten but not grown and was born in water but will disappear if soaked?
What sphinxes employ and players enjoy.