How to Make Stretchy, Non-Sticky Slime

Learn the science of polymers by creating your own perfect batch of stretchy, satisfying slime at home. HowTo: Family Edition: family how-tos that actually help.

1. Mix the base. Pour the 1/2 cup of glue into your bowl. Add your food coloring or glitter now if you want it to look extra cool, and stir until the color is even.
2. Add the activator. Stir in the 1/2 teaspoon of baking soda until it is completely combined. Then, slowly add the 1 tablespoon of contact lens solution while stirring constantly. You will notice the glue start to pull away from the sides of the bowl.
3. Knead the slime. Once the mixture becomes too hard to stir with a spoon, take it out and use your hands. It will feel very sticky at first, but keep kneading it for about 3-5 minutes. The more you work it, the less sticky it will become.