The video shows a person decorating a gingerbread house with icing and candies. The person is using a piping bag to apply white icing to the roof of the house, and then they are adding colorful candies to the roof and walls. The candies are in various shapes and colors, including red, green, and yellow. The gingerbread house itself is brown and has white icing outlining the windows and doors. The person is carefully placing the candies on the roof and walls, ensuring that they are evenly distributed.