The stimulus image technique involves working with stimulus images that are selected at random. This very simple creativity technique is very conducive to creative thinking and idea generation, even when there is no specific problem or task. You learn to see things from a completely new perspective.
With the help of stimulus images that stand in contrast to your question or challenge or even have no relation to it at all, new approaches, approaches and ideas are found. The stimulus image method is a particularly beautiful form of lateral thinking and finds a new way of thinking about the challenge via a random image.