It is an interactive digital work I created with Processing programming language and its environment. The work was inspired by the concept of critical design which the intention of the design is for raising question to inspire people rather than giving a certain solution to solve the problem. The work attempts to give an attitude to the idea of emptiness and vanity though the audience's interactivity. The rich colorful pattern will appear on the constantly color changing screen when the audience is holding the left mouse key and dragging around on the screen. At the same time, the dynamic color background is constantly washing out the colorful pattern. Eventually, all the colorful patterns will be buried into the color background. Then what is the meaning of the interactivity for generate the pattern?