Answer:
I have keys but no locks. I have space but no room. You can enter but canβt go outside. What am I?
I work when I play and play when I work. What am I?
I am a cave full of bones and the house of a worm.
I am round. I have only one line. Circle is not my name indeed. What am I?
I speak without a mouth and hear without ears. I have no body but I come alive with wind. What am I?
A man goes out in heavy rain with nothing to protect him from it. His hair doesn't get wet. How does he do that?