This Ray Box with hinged mirrors is a versatile light source designed for color mixing experiments. It features a bright halogen lamp with 4mm sockets for connection to an external power supply. The hinged mirrors allow adjustment for various color-mixing configurations. Filters are not included but can be purchased separately. This ray box is the same unit supplied as part of the PH0615 optics set, offering additional versatility for standalone color mixing demonstrations. Suitable for physics classrooms exploring additive color theory, light properties, and optics.