• 2 tablespoons baking soda
  • 3 cups warm water, divided
  • 3-4 drops yellow-green food coloring
  • 1 tablespoon guar gum
  • 2 teaspoons salt water
  • 1 1/2 cups yellow-green food safe play dough


  1. Stir baking soda into 1 cup warm water until dissolved.
  2. In a large bowl, pour 2 cups warm water, then add food coloring. Next, sprinkle in guar gum and salt water. Mix well with a spatula. Slowly, add in a third of a cup of the baking soda water and mix well.
  3. Refrigerate until set.
  4. Meanwhile, mold the play dough into Yaphit. When the slime is set, pull and stretch it apart, then lay it over the dough Yaphit.
  5. Squish to your heart’s content.