I’m a little behind on this, but last week a friend of mine across this weird Japanese drink in Chinatown. Well, I think it’s Japanese, and not because I recognize the language. Rather: the drink comes with a glass marble on the inside of the bottle. Observe:
Also, it came with instructions. Originally the marble is the stopper for the bottle, which opens with what amounts to smacking the top of it really hard with a specially made device:
It was ridiculous and expensive, but I adore the concept behind this design. I have yet to cross the line and spend 2.50 CAN for this kind of thing, though.