Color Paddles Set Includes Diffraction Gratings

Great teaching tool!

I teach Sensation & Perception at the college level. I had one of these paddle sets but then lost it a few years ago. I am so glad to have found one again! This is great in class to talk about light.

Versatile!

The selection of filters, polarizers, and grating films is great. I appreciate the diffuser as well. Can't wait to deploy this in demonstrations in class. Just using this with my laptop set to an all-white screen, there are so many ways to explore.