<ul><li>1. Make a Rainbow by Refraction Easily</li><li>2. It produces rainbows using direct sunlight and can also be used for some cool photography effects</li><li>2. Type : Right Angle Reflection Mirror</li><li>3. Material: K9 Optical Glass</li><li>4. Size: 14x14x87mm/0.55x0.55x3.42''</li></ul><br><br>

YONGERN Triangular Prism Rainbow Glass Science Experiment Optical Glass Prism for Children to See The Refraction of Light 14 * 14 * 87

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