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Homemade Rainbow Bouncy Balls

Homemade rainbow bouncy balls are a fun, hands-on project that turns simple ingredients into colorful, rubbery toys you can bounce. Perfect for kids and crafty adults!

Ingredients
  

  • 1 tbsp white glue
  • ½ tsp borax powder
  • 1 tbsp cornstarch
  • 1 tbsp warm water
  • Food coloring (red, orange, yellow, green, blue, purple)
  • ¼ cup warm water (for the borax solution)

Instructions
 

  • In a small bowl, stir ½ teaspoon borax into ¼ cup warm water until fully dissolved.
  • In another bowl, combine 1 tablespoon white glue, 1 tablespoon cornstarch, and 1 tablespoon warm water. Stir until smooth. Add a few drops of food coloring for your first color and mix well.
  • Split the glue mixture into six bowls. Add food coloring to each to make red, orange, yellow, green, blue, and purple. Mix until vibrant.
  • For each color, slowly add a little borax solution to the glue mixture while stirring. Keep stirring until it thickens into a rubbery dough.
  • Take a small piece of each color and stack them in rainbow order—red to purple. Gently press the layers together.
  • Roll the layered dough between your palms until smooth, firm, and round. Keep rolling for better bounce.
  • Place on parchment or a plate and let sit for 10–15 minutes to firm up before playing.