Answer:
I'm not a bird but I can fly through the sky. I'm not a river but I'm full of water.
If you look, you cannot see me. And if you see me, you cannot see anything else. I can make anything you want happen, but later everything goes back to normal. What am I?
I always go to bed with my shoes on. What am I?
What force and strength cannot get through, I with my unique teeth can do. What am I?
Four fingers and a thumb, yet flesh and blood I have none. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic