Light rays bend to conform to the shape of the lenses. Suitable for optical experiments. You can get rainbow colors from a prism. They are glass, not plastic, very transparent.
π©Ί Anatomical Laminated Respiratory Circulatory Pack: Enhancing Understanding and Visualization for Medical Professionals
3 Review
Heart Anatomy Poster Laminated Anatomical
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π Laminated Anatomical Pack for Skeleton Ligaments
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Anatomical Chart of Spinal Nerves and Dermatomes
3 Review