Quote Originally Posted by Laciante View Post
I think the reason the marbles are actual items is because the winnings are actual items; that is to say, the marbles take up the space in which the winnings would go, as proof that you have the space to receive the winning.
Of course not all 10 of your marbles are likely to win...
As crazy as that sounds, it does remind me eerily of SE logic. But no, fairly certain it's not the case, as there's already plenty of mechanisms regulating inventory space on receiving new items.