The cool black gift box has built-in lights, which are turned on and off, and turned off and off, and the colorful colors are instantly presented Beautiful and unique design, the same environment, viewing from different angles, there will be completely different color rendering Can be used as a teaching tool or research and decoration A great boyfriends, girlfriends or kids Optical glass RGB prism, there are four lights, any of the of the surface, from the remaining three light out of the three primary colors of red, green and blue, respectively called three base light, Manufacturer: Whoasyst