Interactive smash the ball, interactive smash ball game is the use of the projector to project the game screen projected on the wall, and the use of dynamic capture technology to achieve real-time interaction of human and wall dynamic picture. When children hit the game elements in the scene by hand or ocean ball, various interactive effects will appear. Then the children will score points.Large game screen and realistic game effects will make the children seem immersive, exposure to the scene and the game element intimate interaction, hit the target will get a strong sense of accomplishment