Answer:
I hatch without food
my rings are not worth much but they do tell my age.
I am the tool for inspiring many. Buy me in the store for not much more than a penny. Don't overuse me, or my usefulness will go. What am I?
I am gentle enough to soothe your skin, light enough to fly in the sky, strong enough to crack rocks. What am I?
I am an instrument that you can hear but cannot see or touch. What am I?
The answer I give is yes, but what I mean is no. What was the question?