A third piece of the puzzle:
The stars come out to guide them along the way.

Once in Bethlehem Mary and Joseph found 
there was not room to be had.

The children take out the fourth piece of the puzzle:
the guardian angles help sort out that little problem
and space in found in the stable
where Jesus was born.

The next piece of the puzzle shows the shepherds 
in the fields around Bethlehem and the angels with their message 
of Jesus' birth.