HOW TO MAKE SLIME WITH BORAX. STEP 1: Dissolve 1/4 teaspoon of borax powder into 1/2 cup of warm water in one of the three bowls. Mix this thoroughly.

Borax Slime Activator. Borax can be found on the detergent aisle or ordering from Amazon. It is a really simple activator. In order to use borax as an activator, you need to slowly mix the borax mixture into the glue/water mixture while making slime. We n

To make slime with borax, start by mixing together 1 teaspoon of borax powder and 1 cup of hot water to make the borax solution. Next, pour 4 ounces of glue into a bowl, and add 1 to 2 drops of food coloring if desired.