Gather the materials needed.
Once you have your materials take the funnel and put it inside the balloon.
Pour the whole bottle of glue and in a medium size bowl. Add in a few drops of food coloring (optional).
Take the 1 cup of liquid starch and gradually add it with the glue. Do not pour the 1 cup of liquid starch in at once.
Kneed the mixture together with your hands until you get the consistency you like. Your mixture should not be runny.
Take your mixture and put in the funnel. Then use the pen to push the mixture inside of the balloon.
Once you are done take the funnel out of the balloon and tie your balloon.
An optional way to make a stress ball is to use flour. The materials you will need are balloons, 1/2 cup of flour, a pen, funnel, and a spoon.
You will need 1/2 cup of flour.
Take your funnel and place it inside the balloon.
Use your spoon to scoop the flour and place it inside the funnel. Use the pen to push the flour inside of the balloon or shake the funnel.
Continue putting the flour inside the balloon until you have reached your desired size. The balloon should not be bigger than the size of your palm.
The last step is to take the funnel out of the balloon and tie your balloon.