* Features.
1. The product is made of K9 material, with high transparency and good refraction.
2. The product has a nice, textured look.
* Specification.
1. Name: Optical Trigonometry
2. Material: K9
3. Size: 30x30x30x100mm
4. Use: School teaching aids, childrens toys.
* Instructions for use.
1. Place the prism in the sun, turn it to a suitable angle and a rainbow of seven colours will appear on the wall or white paper.
2. By manipulating the prism, children gain initial experience in the perception of light refraction, stimulate their curiosity and exploration, and make them sensitive to the phenomenon of light.
* Package.
1 x prism + 1 x gift box
* Note
1. We will check the prisms before delivery and we will do our best to ship them to you as soon as possible.
2. All dimensions are measured by hand, please allow 3-5mm deviation.