Discover various phenomenon of light and shadow, e. g. a cotton ball as moon or a glass pane as a"theatre mirror". You can see images upside down in the camera obscura or behind the lens of a magnifying glass. Under water, reductions are created in the glass sphere. And with the light conductor you can even guide the light of a tea-light around a corner. You can also experiment a lot with two mirrors, a bendable mirror and the mirror-sphere in the secret world of mirror images, distorted mirror images, reflected mirror images, distorted reflected mirror images...
