Test out popular viral recipes to see which one makes the perfect slime! You'll learn about chemical reactions and sensory textures while creating gooey, stretchy fun.

Tools

• mixing bowls
• stirring spoons
• measuring cups

Materials

• clear school glue (4 oz bottle, 2)
• borax powder (1 tsp)
• warm water (1 cup)
• food coloring (3 different colors, 2 drops each)
• shaving cream (1 cup)
• contact lens solution containing boric acid (1 tbsp)

Safety

• Adult supervision required when handling borax powder.
• Do not ingest any of the materials.
• Wash hands thoroughly after playing with slime.
• Avoid contact with eyes.
• Protect work surface. Materials may stain clothing.
• Adult supervision required for children under 8.

Steps

1. Prepare the activator solution by mixing 1 teaspoon of borax powder into 1 cup of warm water; stir until completely dissolved.
2. To make Basic Clear Slime: Pour one 4 oz bottle of clear glue into a mixing bowl.
3. Add 2 drops of food coloring to the glue and stir until the color is even.
4. Slowly add the borax activator solution one tablespoon at a time, stirring constantly until the slime begins to pull away from the sides of the bowl.
5. To make Fluffy Slime: Pour the second 4 oz bottle of glue into a separate bowl.
6. Fold in 1 cup of shaving cream and 2 drops of a different food coloring until the mixture is light and airy.
7. Add the contact lens solution (1 tbsp) and stir vigorously until the mixture becomes a cohesive, stretchy ball.
8. Knead both types of slime with your hands for 2-3 minutes to reach the perfect consistency.
9. Compare the two recipes to see which one is stretchier, fluffier, or more satisfying!