The video shows a person decorating a cake with colorful candies. The cake is square-shaped and has a layer of chocolate frosting on top. The person is placing candies on the cake in a specific pattern to create a design. The candies are of different colors, including red, orange, yellow, green, blue, and purple. The person is using their hands to carefully place each candy on the cake. The background is a plain white surface, and there is a bowl of additional candies visible in the background.