1/4 c. flour
1 1/2 c. water
3/4 c. dry poster paint powder or dry tempera paint
2 tsp. colorless dishwashing detergent (optional)
2 tsp. liquid starch (optional)

Place flour in small saucepan. Gradually stir in 1 cup water. Cook over medium heat until thickened, stirring constantly. Cool. Measure 1/4 cup mixture into each of 4 small clean jars. Add 2 tablespoons water to each jar; blend well. Add 1/2 teaspoon dishwashing detergent to each jar if glossy finish is desired or add 1/2 teaspoon starch to each jar for matte finish. Store tightly covered. Mix well before using.