1. This optical glass prism is made of high quality K9 optical glass, reliable to use.
2. It can be given to your children as a gift or as a decoration to decorate wherever you want.
3. This beautiful and unique optical glass prism can be used as a physics teaching tool.
4. A necessary equipment for science class of primary school, junior high school and high school.
5. There will be completely different color rendering from different angles at the same environment.

Spec:
Condition: 100% Brand New
Item Type: Prism
Material: K9 Optical Glass
Product Size: Approx. 15 x 15 x 87 mm / 0.6 x 0.6 x 3.4 in

PackageList:
1 x Prism