Yeah!! Those are some of the most popular games of chance!

[At least the ones in Japan tend to be more fair than those in America...? Higher quality goods, too. But yeah, he should stay away from any in the shadier areas of town. Those are probably rip offs.]

I don't blame you. There's something to be said about having fun picking a mystery item once in a while, but you don't want to rely on it for supplying anything consistently.