Led Light Box & Optical Set. This comprehensive light and optics set includes 3 beam LED Ray Box each beam has an option of white or red beam and selection of lenses and prisms, comprehensive teacher's notes and pupil work cards. The set is an ideal accompaniment to any advanced study of light and optics with experiments to show refraction and reflection through various shaped prisms and lenses, the splitting of light into the rainbow colours, how internal reflection is used in fibre optic cables and the appropriate lenses to use to correct long and short sightedness.
