1/2 cup white school glue
1/4 cup water
Food coloring, optional
1/2 teaspoon baking soda
1 to 2 tablespoons contact lens solution with boric acid and sodium borate
Mix glue and water
Add food coloring, optional
Stir in baking soda
Add contact lens solution a little at a time
Mix until slime forms
Knead until no longer sticky
Add a few drops of contact lens solution if needed