Ett skepp kommer lastat

Ett skepp kommer lastat ("A Ship Arrives Loaded", also the name of a Swedish children's game) was the 1982 edition of Sveriges Radio's Christmas Calendar.
Plot.
Together with singer and songwriter Finn Zetterholm, a group of first-graders from the Kungsätra School in Skärholmen sing songs. When opening a calendar window, they talk about the calendar window images.