The items were listed last night or something, but they are hidden. When
they post the clue they unhide the item. So you can only find the item
once the clue is given.
How is it fraud when YOU click on buy it now. They aren't forcing you to
play this game, you're are playing it because YOU want to. Therefore you
are responsible for your actions, not ebay. If you guess wrong and buy
something, that is because of you...