In the video, a person is seen holding a white cup in their hand. They then proceed to place another white cup on top of the first one, creating a stack. The person then takes a red marker and begins to draw lines on the top cup. They continue to draw lines on the cup, creating a pattern. The person then takes a white cup and places it on top of the stack, covering the red lines. They then take a blue marker and begin to draw lines on the white cup. The person continues to draw lines on the cup, creating a pattern. The video ends with the person showing off the finished product, a stack of cups with a pattern drawn on them.