1/2 cup white school glue
1/2 cup shaving cream
1/2 teaspoon baking soda
1 to 2 tablespoons contact lens solution
Food coloring, optional
Mix the glue and shaving cream in a bowl
Add food coloring, optional
Stir in the baking soda
Add contact lens solution a little at a time
Mix until the slime pulls away from the bowl
Knead the slime with your hands until fluffy
Add a few more drops of contact lens solution if needed