There you go:
Paint the cardboard houses with pink or white and glue Acrylic paint a roof made of glitter cardboard on the houses. Now you can decorate the houses with different pens. For example, paint on windows, doors and of course the Advent calendar numbers.
Then the houses are placed. Here they are glued on a branch and Christmas Balls decorated with a chain of lights.
Now the houses can be filled with various treats or small gifts as you wish.