Needless to say that you can also put jewelry into the advent calendar boxes, such as this lovely River Troll Ring.
It looks as if you could make quasi on the spur of the moment and that it would always be a unique and personal item.
I simply find it beautiful!
Links:
River Troll Ring
Here at unikatissima:
Entries with the tag ‘jewelry’
Boxes not only for the advent calendar