Pour the Elmer's clear glue into the mixing bowl and add the water and baking soda. Mix well until the baking soda is dissolved
Add 1 tablespoon of contact solution to the mixture in the bowl. Mix well. If the consistency of the slime is still too sticky add another tablespoon of contact solution.
Knead and mix until fully combined.
Notes
The contact lens solution must contain boric acid, so check the ingredients before purchasing.