7 Pack K9 Optical Crystal Photography Prism Set, Include 1-4in Triangular Prism, 2in Crystal Glass Prism Cube, 2in Crystal Ball, 2in Dome Magnifier, Light Prism for Physics Teaching Photography Play
£34.91
This product is ideal for schools and physics classrooms where hands-on learning with crystal glass prisms is beneficial as an educational tool for teaching light refraction principles.
