Rainbow Glasses® - View your world in bright new colors. The rainbow bursts will amaze you! Rainbow Glasses® are printed in exciting full color science and nature themes with educational information printed on the backside. They are great in the classroom when a quality diffraction grating is needed for the study of light and color. Rainbow Glasses® are great for watching Fireworks Displays, Holiday Lights, City and Streetlights and even the Moon and Stars. Experiment and have fun!!