This acrylic optical lenses set includes a variety of shapes, such as triangles, semicircles, and rectangles. These lenses are nice for use in physics demonstrations and laboratory equipment, and can help students understand the principles of reflection and refraction. Features -Color:Transparent -Material:Acrylic -Size:5.00X5.00X0.90cm/1.97X1.97X0.35in -Size:5.20X2.60X0.90cm/2.04X1.02X0.35in -Size:6.20X3.20X0.90cm/2.44X1.26X0.35in -Size:6.10X2.30X0.90cm/2.40X0.90X0.35in -Size:6.20X2.20X0.90cm/2.44X0.86X0.35in -Size:6.20X2.10X0.90cm/2.44X0.83X0.35in -Versatile range of shapes: Optical lenses set is suitable for various experiments and demonstrations -Built to last: optical lenses are made from acrylic material to ensure exceptional optical performance -Physics demonstrations: optical lenses are ideal for use in physics demonstrations and laboratory equipment -Understand the principles: Helps students grasp the principles of reflection and refraction -Easy to use: Optical lenses are specifically designed for frequent use in a laboratory setting Package list: x Optical Lens