This Rectangular LED light box provides colour changing feature plus many other teacher-oriented functions. The patent remote controller provides direct colour buttons for the commonly used colours. There are also 5 colour preset buttons allow teachers to “store” any specific colours. There are 3 pairs of RGB adjusting buttons allowing users to make minor additions or subtractions of RED, GREEN or BLUE to the existing colours. There are also 3 preset modes: looping of rainbow colours, thunder storm and looping of soothing colours which can be used during story telling sessions. This light box also allows different types of light-related learning activities such as colour mixing, creativity development and many oteht STEM learning. For example, children can explore color mixing by placing the coloured shades on top of one another. Beautiful effects can be created when light shines through different materials such as leaves, paper, sand tray, and etc. It works perfectly well together with the Masterkidz Rectangular Sand Tray (ME09623), the Masterkidz Clear Water Play Tray (ME ME10339), Masterkidz Square Painting Tray (ME12401) and the Bottom Light Game Tray (ME12388). Light box is NOT waterproof. Made of Beech Wood wood (FSC) and Russian Birch plywood. Length of Cable is 1.5m.