1/2 cup white school glue
1/2 cup shaving cream
1/4 cup foaming hand soap
1/2 teaspoon baking soda
1 to 2 tablespoons contact lens solution
Food coloring, optional
Mix glue, shaving cream, and foaming hand soap in a bowl
Add food coloring, if using
Stir in baking soda
Add contact lens solution a little at a time
Mix until the slime forms and is no longer sticky
Knead the slime with your hands until fluffy and cloud-like