Answer:
I am a key that is playful. What am I?
I store fire-breathing animals.
What word in the English language does the following: The first two letters signify a male the first three letters signify a female the first four letters signify a great while the entire world signifies a great woman?
I build up castles. I tear down mountains. I make some men blind, but I help others to see. What am I?
I am bought by the yard but worn by the foot. What am I?
I am a rock group with four members. All dead one was assassinated.