• 4 tablespoons baking soda
  • 2 tablespoons white vinegar
  • 1/2 tablespoon glycerin
  • 2 tablespoons cornstarch
  • Red, blue, yellow food coloring


  1. Mix the vinegar and baking soda in a small bowl or jar until the mixture stops foaming
  2. Add the glycerin and cornstarch and stir thoroughly
  3. Pour the mixture into small containers or paint box compartments
  4. Add a few drops of food coloring to each individual container. Need help mixing colors? We’ve got you covered. Here is a guide to color mixing:
    Purple = red + blue
    Green = blue + yellow
    Orange = yellow + red
    Brown = red + green
    Pink = red + white
    light green= green + yellow
    turquoise = blue + green
  5. Mix each color thoroughly, and leave (preferably overnight) to set