Sunpaper Kit - UV Reacting PaperSunpaper UV reacting paper goes through a chemical reaction when exposed to light, leaving a permanent image on the paper. This Sunpaper kit encourages an interest in the photographic process using only sun, water, and a bit of imagination. The paper goes through a chemical change when exposed to light. Try this experiment and watch an image emerge. Use your kit outside on a sunny or an overcast day or even indoors on a sunny windowsill. Do not expose