2. Three part glue
3. Borax solution
Put 1 ½ tea spoon of borax to 1 cup water. Mix two-part cornstarch and three parts glue in medium sized bowl. Afterwards poor in a half cup of Borax solution. Shape into a ball (it helps to make the ball small). Let the ball rest for one hour and it will bounce more easily.Put in air tite bag in the fridge.