Sidewalk Chalk From Eggshells
18 January 2021
I attempted to make sidewalk chalk from eggshells, following the advice linked to from the Eggs and Sustainability page here on CocktailGreen. The basic procedure is: Collect eggshells, boil them to clean them. Mix with flour, water, and food coloring. Put into a tube and allow to dry. I did the above, and spoiler: it turned out bad. In the first place, I buy mostly brown eggs (to encourage biodiversity) and thus the eggshells started with a beige base rather than white. The second and far worse thing was: they smelled awful! They took a long time to dry (I... Read more →