Veemoon 3sets 5 Pcs Optical Experiment Lens Semicircular Triangular Rectangular Glass Tools for Science Experiments and Classroom Demonstrations for Learning Light Refraction 5pcs*3

Package List 15 x Optical lens Features -Size: About 6x3x1cm / 2.36x1.18x0.39in rectangular lens -Color: Transparent optics lenses experiment -Material: Glass physics optical lenses - The storage box packaging is convenient to take and carry optics demonstration. - processing technology and precise size can ensure the accuracy of the optical experiment optical lens experiment. - A variety of lenses to meet the needs of , it provides convenience for both teachers and students optical . - Preferential price and reliable quality, tools for teaching optical glass lens. - This item is a set of option experiment model, which is a good tool for teaching. One-piece molding, the standard is flat and smooth optical experiment lensesGoods Informationoptical lens Thus, students can understand this physics principle faster.optical lenses It can help students learn and understand more specifically how to find the principle of light refraction.Optical Experiment Glass Lens This set of physics teaching tool is made of premium glass, safe and

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