Amlong Crystal 2.5 inch Optical Glass Triangular Prism for Teaching Light Spectrum Physics and Photo Photography Prism, 60mm auspowers_batchone The package height is 1

The package height is 1

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Amlong Crystal 2.5 inch Optical Glass Triangular Prism for Teaching Light Spectrum Physics and Photo Photography Prism, 60mm auspowers_batchone The package height is 1Amlong Crystal 2. 5 inch Optical Glass Triangular Prism for Teaching Light Spectrum Physics and Photo Photography Prism, 60mm Not for children under 3 yrs. Prism Length: Approx. 2. 5 inch 60mm Product Features Use this triangular prism to split a beam of light into its spectral components (the colors of the rainbow). Side Length: 1. 38 inch 35mm, More Than Average Width, Stable Handheld. Show your kids a rainbow, or have photography fun. Material: