Ice cube tray
liquid food coloring for each color crayon
2 T hot water
1 cup soap flakes
For each color, put two tablespoons of hot water and one cup of soap flakes into a bowl. Add as many drops of food coloring to the mix as you wish. Stir the soap mixture until it thickens. This takes time, so be patient. Press spoonfuls of the first color of soap into sections of the ice tray. Mix enough soap in other colors to fill the entire tray, repeating the first two steps. Let the soap crayons dry for one or two days. Gently bang the ice tray to loosen the crayons.