Convex Mirror, Material: Glass, round, designed for physics and educational use, Because of their educational use design, there may be minor imperfection that do not affect physical function, thickness varies as they are not designed, Size: 3in Diameter, 100mm Focal Length, 2.8mmThick
Equilateral Prism, Material: Glass, Useful for Experiments in Optics, Light Refraction and Wavelengths, Designed for physics and educational uses. Because of their educational use design, there may be minor imperfections that do not affect physical function, Size: 3in (75mm) x 1in
Small Motor with Leads and Mount, Adapter Pin, AA Single Battery Holder, 1.5-3V Mount, single, Motor Shaft Diameter: 2.3mm, turns at the perfect speed for most projects. Use these for motor powered, cars, boats
Concave Mirror, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may minor imperfections that do not affect physical function, Size: 3in diameter, 150mm Focal Length - 3mm Thick, 3 Length, 0.1 Weight, 3 Width