Large Marble

[fieryworld.livejournal.com]

I know there are a lot of memory posts about using marbles, especially the flat ones, for things like magnets and jewelry and such. Well, this is kind of different... I have one large marble, about 2 or 3 times the size of a normal marble, and not flat. It's sort of green and swirly in colors and for some reason I just looked at it and wanted to do something with it to give to my boyfriend. But what would you do with one really big marble (besides jewelry, since he doesn't wear that)? I think it's special and I don't want to use it with any other marbles but it seems like a lost cause. Any ideas? Thanks :]