6in” 150mm Optical Glass Triangular Prism Teaching Light Spectrum Physics USA
Use this equilateral prism to split a beam of light into its spectral components(the colors of the rainbow. Side Length:1.20 inch / 30mm Prism Length:6 inch / 150mm Material: optic glass, not plastic Not for children under 3 yrs. SHOW YOUR KIDS A RAINBOW ! Best Value Buy ! TOP USA SELLER! Visit Our Huge Selection of Crystal Ball Store