Interactive projection slide is a collection of projection technology and traditional slide, it retains the traditional slide tilt, curved and other shapes, and expand the width so that children can interact with the slide, in addition, it is also with a wealth of multimedia audio-visual, combined with video technology to create a variety of interactive effects such as ripples, collision, laser and other interactive effects to the children to bring a cooler experience. In addition, children can get physical and mental exercise in play, a variety of interactive projection effects to enrich the children\'s imagination, mobilise children\'s enthusiasm, so that children become lively and cheerful and energetic.