A fun, affordable way to explore diffraction and color The Rainbow Glasses delight students while providing a simple, cost-effective way to explore diffraction and light spectra in the classroom. By turning ordinary light sources into vivid rainbow patterns, these glasses help students visualize how diffraction gratings separate light into its component colors—making spectroscopy both memorable and accessible. Why Teachers Love Rainbow Glasses Instant engagement: Students are immediately captivated by the brilliant rainbow effects. Organized class use: An easy way to distribute diffraction gratings to an entire class. Cost-effective: An affordable alternative to individual diffraction gratings and holders. Versatile applications: Works with light sources, gas discharge tubes, and spectral lamps.