One of the students received an Advent calendar in the post.

This will lead all the way up to Christmas, as a sort of advent calendar.

Have your parents forgotten to buy you an advent calendar this year?

An advent calendar is a nice way to show off the technology and you can see how it works in the trailer above.

For instance, if an advent calendar was on the wrong day, he would fix it.

Like the other christmas episodes, there was an advent calendar.

I put this together in a hurry for a forum Advent calendar.

Advent calendars are a way of counting down to Christmas.

His pictures are advent calendars on which none of the doors will open.

Remember those Advent calendars you had as a child?