3 tbsp. sugar
1/2 c. cornstarch
2 c. cold water
Food coloring
Dish detergent
4 plastic or paper cups

Mix sugar, cornstarch and water in saucepan. Cook over low heat 5 minutes, stirring constantly. Remove from stove and cool. Divide mixture into 4 cups. Add a little food coloring and 1 drop of dish detergent. Stir and paint.