Answer:
I am a key that is playful. What am I?
An action done on mosquito bites
When I am caught, I am thrown away. When I escape, you itch all day. What am I?
I have six faces but not even one body connected 21 eyes in total but cannot see.
I have to be broken before I can be used
I am free the first time and second time but the third time is going to cost you money.