The study relates to a method for constructing an interactive installation for fish teaching by motion-sensing techniques. A tri-axial accelerator is equipped in the bamboo basket to detect the user’s behaviors, and the behaviors are then collected and analyzed for further processing. The installation is used as a game play and the player try to catch more fishes in the screen by operating the bamboo basket. Then, rare species of fishes and their habitats in Taiwan are demonstrated and emphasized in the screen to enhance the concept of human beings in conservations of rare fishes.