Answer:
They try to beat me, they try in vain. And when I win, I end the pain.
I am the yellow hem of the sea's blue skirt.
What can you catch but not throw?
What kind of pet always stays on the floor?
I bind it and it walks. I loose it and it stops.
I can only be played on a windy day
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?