1/2 c. regular starch, dissolved in a little cold water (do not use liquid or instant)
1/2 c. mild soap flakes
1/4 c. talcum powder (for preservative and scent)
1 qt. boiling water

To 1 quart boiling water, add all other ingredients; stir until well mixed. Pour into jars and color with poster paint or vegetable coloring. Use on wet shelf paper.