This machine allows you to explore the fascinating world of color mixing. Whether you are a student, or science lovers and technology, this compact apparatus is guaranteed to provide hours of educational and entertaining fun This updated version of the classic three color light projector uses three powerful LED lights to project clear red, green, and blue light onto a white screen. It can create captivating visual effects The adjustable beam angles allow the three colored images to overlap and create a stunning array of mixed colors. With the potentiometer adjustment, you can control the intensity of each LED separately to create various shades of mixed colors This instrument is mainly composed of light pipes, light pipe rack components, light intensity regulators, potentiometer knobs, light pipe rack legs, light source switches, power sockets, light source wiring, white screens, white screen racks, etc Service: We place great emphasis on our customers' shopping experience. If you have any questions, please feel free to contact us; we will respond to you within 24 hours!