How to make a squishy stress ball dealtown, us get a super simple tutorial on how to diy your own stress ball, plus check out a few on the market if you don't have time to make one. How to makearomatherapy stressballs? step 1: use a funnel to put 1/2 to 1 cup of flour into a water bottle. tip: adjust the amount of flour to the size of stress ball that you’d like. 1/2 cup will make a small stress ball that’s great for little kid hands, while 1 cup will make a large stress ball that’s good for larger adult hands. To make a balloon stress ball, start by stretching out the balloon with your fingers to make it more flexible for the filling. then, insert a funnel into the neck of the balloon and pour in ¼ cup of flour for a soft, malleable ball, or 1/4 cup of dried beans for a firmer ball. Using your funnel fill the balloon with flour. make sure to be holding the end of the balloon tightly to avoid a mess. stop putting flour in the balloon when it reaches the neck. don't fill the n...