Description:
Optical Glass Rainbow Triple Triangular Prism can be used as children develop intelligence toys.

Specifications:
Material:Plastic base， high-quality optical glass prism
Color:Black
Size:70cm height

Features:
1.Large optical prism with a base， can be very convenient exchange prism angle.
2.Is a kindergarten， primary school science science class， junior high， high school， study the dispersion
of light necessary equipment，.
3.Can be used as children develop intelligence toys prism.
4.As a school teacher classroom demonstration experiment.
5.Children can get the initial experience of the refraction of light perception and stimulate their curiosity .

Instructions for use:
Put the prism in the sun， rotating prism， on a wall or white paper will appear in the seven colors like rainbow.

Package Included:
1 x Optical Prism