Bouncy Balls Borax Elmer’s Glue (clear or opaque) Food Coloring Craft sticks Pour 1 T glue into a small container. Add a couple drops of food coloring and mix. Add 1 t Borax. Wait fifteen seconds. Mix with a craft stick until too thick to stir anymore. Knead and roll the ball in your hands. It will be sticky at first, but eventually will turn rubbery and dry. 5. Bounce!