Answer:
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?
3 point goal
In a tunnel of darkness lies a beast or iron. It can only attack when pulled back. What is it?
What can you catch but never throw?
What has a bottom at the top?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.