1/2 cup white school glue
1/2 cup shaving foam
1/2 teaspoon baking soda
Food coloring
1 tablespoon contact lens solution
Mixing bowl
Spoon
Add glue to the bowl
Add shaving foam
Add baking soda
Add food coloring
Mix well
Add contact lens solution slowly
Stir until slime forms
Knead with hands
Add more contact lens solution if sticky
Store in an airtight container