Of course, the class did not take place at night, but with the blinds and shutters closed, so it was dark in class. They used a flashlight on the phone to draw, and I brought them colored foils that changed the light to blue, red, or green. The kids were excited and wanted to take these color filters home.
They used a flashlight on the phone to draw, and I brought them colored foils that changed the light to blue, red, or green.