Answer:
What can be swallowed, but can swallow you?
What has a spot and is very bright, is sometimes, red, white, blue, yellow or green and is often blinding.
A certain wizard resided in a city made from this gemstone.
Something wholly unreal, yet seems real to I. Think my friend, tell me where does it lie?
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.
What is so fragile that saying its name breaks it?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?