Answer:
It's got twists and turns, but has no curves. Twist it to fix it, turn it to ruin it. What is it?
A precious stone, as clear as diamond. Seek it out whilst the sun's near the horizon. Though you can walk on water with its power, Try to keep it, and it'll vanish within an hour.
What flies without wings? What passes all things? What mends all sorrow? What brings the morrow?
What is as big as you are and yet does not weight anything?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
I can only be played on a windy day
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?