This magical activity is based on a photographic process: cyanotype. The child creates scenes on photosensitive paper using opaque patterns. When exposed to sunlight, a negative of the patterns is produced on the paper. Then, all that’s left to do is rinse the paper in a clean water bath and watch as the creations appear on the blue background! With 4 felt-tip pens to transform 4 pictures into colourful underwater scenes. A simplified activity with no need to mix chemicals A unique illustrated finish with pre-printed plastic patterns A magical, creative activity With 4 felt-tip pens to transform 4 pictures into colourful underwater scenes. An activity to repeat again and again thanks to paper refills for cyanotype (sold separately). Flower and plant patterns to enhance with real picked plants 1 detailed set of step-by-step instructions. FSC® certified cardboard packaging