Links to ‘how to make’ the characters (specifically the angels but the same basic idea is used for Mary, Joseph and the shepherds too) and the manger
The stable is a cardboard box covered in tissue paper. If you cover the inside of the box with yellow paint or tissue paper the characters will show up better. You can add battery powered tea lights too!
You could make this over several weeks in toddler group or Sunday School or make at home.