4sets Optics for Science Classroom Physics Lab Acrylic Optical Lenses Set Convex Concave Lenses Prisms Cube Triangle Glasses 5pcs*4

Package Include 20 x optical lens Features - Color: white set - Material: acrylic optics - Size: 6X3X1cm 2.36X1.18X0.39inch physical experiment lensGoods Descriptionlens experiment Optical Photography Set Optical Acrylic Glass Light Spectrum Physical Optical Experiment Set for Physics Teach Photo Photography

• Physics teaching lens-- made from acrylic material, these optical lens are with high durability to support long term using,lens for physics teaching
• Physics optical lens-- made of acrylic materials, these optical lens are professional and for long time to use,concave lens
• Prism optic-- well polished, smooth surface, and does not hurt hands when used, you can use with peace of mind,optical lens for
• Optic-- good tool to show how different aspects of lenses and light passing through and bending,convex concave lens
• Concave convex lenses-- light weight and compact size, the optical lens is easy to carry and store, you will feel the great convenience of them,basic physics lens