This snow globe goes up every year in my house, and I think it really adds both a Lego feeling and a festive feeling. It's decorated nicely, it's shake-it-and-make-it-snow function works really well, and the "minifig" (although he's isn't, in fact, a minifig) is simple but effective.

This snow globe isn't buildable, and has no surprises. But if you see it, online or in a shop, and you like the look of it, I recommend getting it.