Do you have a bell jar or two? Are you looking for ways to decorate them for Christmas? My answer to both these questions is, "yes." I figured I can't be the only one, so I decided to scrounge around for some inspiration.
Another simple option. Of course we'd use a battery-operated votive to illuminate the house. All could be constructed out of paper, by the way. For the sentiment, a rub-on label would be the best bet.
A grouping of mini-trees, perhaps?
Antique glass ornaments are given a lift, thanks to some old jars, in these bell jars.
The Haunted Lamp shows/tells us how they were able to construct this display of vintage tree toppers under their bell jar. And, no, they won't topple over.
Don't have a bell jar? Check out this inverted threaded jar idea from Sixty Fifth Avenue: