Homemade Rainbow Glow Bouncy Balls DIY Glow-in-the-Dark Rainbow Bouncy Balls for Kids Ingredients / Materials: 1/2 cup warm water 1 tablespoon borax powder 2 tablespoons white school glue (clear glue works best for glow effect) 1 tablespoon cornstarch Neon or glow-in-the-dark paint/powder (multiple colors for rainbow effect) Small mixing bowls and spoons Disposable gloves (optional, for less mess) Directions: In a cup, mix 1/2 cup warm water with 1 tablespoon borax powder. Stir until dissolved.

DIY Glow-in-the-Dark Paint | 5-Minute Crafts

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