Answer:
Feed me and I live, give me drink and I die.
It is worldwide, but once only a spider could weave one
What can be heard and caught but never seen?
The more of them you take, the more you leave behind. What are they?
Look into my face and I'm everybody. Scratch my back and I'm nobody.
I can only be played on a windy day
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?