In the video, a person is seen mixing a green substance with a yellow substance in a clear bowl. The person uses a spoon to stir the mixture, which appears to be a slime or putty. The green substance is added to the bowl first, followed by the yellow substance. The person then stirs the mixture thoroughly, using the spoon to combine the two substances until they are well mixed. The final product is a green slime or putty that is smooth and homogeneous in color.