Answer:
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
What kind of room has no windows or doors?
The higher I climb, the hotter I engage. I cannot escape from my crystal cage.
I wear a red robe, with staff in hand, and a stone in my throat.
Voiceless it cries, wingless flutters, toothless bites, mouthless mutters.
When is it bad luck to see a black cat?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?