Science Lab Concave Mirror With Stand

Specification:

Material: , plastic
Bottom diameter: Approx 10cm / 3.9 inch
Mirror diameter: Approx 10cm / 3.9 inch
Focal length: -300mm
Easy way to learn the reflection principles of optics
Concave mirror with stand comes with durable plastic stand, can adjust the prism angle freely
Essential equipment for nature science studying in kindergarten and primary , and light reflection researching in high
Ideal for classes teaching tool or as intellectual development toy for child