Make Your Own Watercolor Paint
Materials
4 tbsps baking soda
2 tbsps vinegar
1/2 tsp corn syrup
2 tbsps cornstarch
Food coloring
Directions
Mix 4 tbsps baking soda with 2 tbsps vinegar until fizzing stops. Add 1/2 tsp corn syrup and 2 tbsps cornstarch. Mix until a uniform consistency.
Pour the mixture into individual egg carton cups, filling each about a third to halfway.
Add five to 10 drops of food coloring to each cup, mixing in thoroughly, to reach desired colors.
Allow paints to set overnight. Use paints on watercolor paper with a wet paintbrush.
adapted from Martha Stewart