Equilateral Prism, Material: acrylic, Refractive index close to optical glass, can produce a rainbow from a non-monochromatic light source such as sun light, Perfect for student use, which will not break or chip like glass, is a softer material, Size: 50mm length, 25mm face size
Double Convex round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, for educational uses, Size: 150mm focal length, 2in diameter and 8mm thick
Double Convex round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, for educational uses, Size: 50mm focal length, 2in diameter and 15.5mm thick
Equilateral Prism, Material: glass, Useful for experiments in Optics, Light Refraction and Wavelengths, Will create a rainbow (in room light) by using the simple led light of a smart phone, User will need to create a small slit in black piece of paper and use, Size: 6in Hx1in W
Optics Kit - Junior, 2.6lbs, 15.0x11.4x4.3inch, ray box with bulb and flex having two 4 mm plugs, a pair of blanking plates, two slit plates, Planoconvex lens, color mixing set, frosted concave lens, frosted convex lens, frosted semicircular lens
Educational Light Cube (2014), Ages 3+, rugged cube is portable, durable and rechargeable. It even strobes, flashes and changes color with the touch of a button, Includes: 1 cube, 16 x 16 x 16in (40 x 40 x 40 cm), power source, remote control and teacher guide