A Ray box kit also known as a Light box kit is used to understand various optical properties. These optical properties are made practically visible and more erudite using a ray box/light box kit. These slides and lenses when used individually in a ray box/light box produce various optical properties which are determined by analyzing the distinct paths of light rays coming out of the ray box/light box. A ray box/light box kit is a simple enclosed box consisting of an incandescent bulb, various detachable slides, lenses, mirrors and color filters.