Ingredients
Equipment
Method
- Step 1: In a cup, pour in ½ cup of warm water and stir in 1 tablespoon of borax powder until completely dissolved. This is your borax solution.
- Step 2: In a separate cup, combine 2 tablespoons of white school glue, 1 tablespoon of cornstarch, and a few generous drops of your chosen food coloring or gel dye. Stir until you have a smooth, colored mixture. If adding glitter or glow-in-the-dark paint, stir them in now.
- Step 3: Add just ½ tablespoon of your dissolved borax solution into the colored glue mixture. Stir quickly! You will see it instantly transform, clumping together into a thick, gummy blob.
- Step 4: Take the blob out of the cup and start kneading it with your hands for about 2 minutes. It will gradually become smoother and much less sticky. If it’s still a bit too sticky, lightly dip your fingers in the borax solution and continue kneading, but be careful not to add too much.
- Step 5: To create a rainbow effect, repeat steps 1-4 for each additional color you want to include in your bouncy ball.
- Step 6: Once you have all your colorful blobs ready, press pieces of each prepared color firmly together. Then, using the palms of your hands, roll them tightly into a spherical shape. The tighter you roll, the better the bounce! Your super bouncy, rainbow-swirled toy is complete!
Notes
Substitutions & Additions: Clear school glue can work for a more translucent effect, though the texture might differ. Beyond glitter, consider small confetti shapes or mica powder for shimmer. Add a drop or two of kid-safe essential oils (like orange or lavender) to the glue mixture for a scented ball. For texture, a tiny pinch of fine sand or micro-beads can be added, being mindful of choking hazards for young children.
Tips for Success: Warm water is essential for dissolving borax properly. Don't overdo the borax; too much can make the ball brittle. Kneading for at least 2 minutes is crucial for elasticity. Gel food dyes provide richer, more vibrant colors. If the ball is too crumbly, use slightly less borax next time; if too sticky, a very light dip of fingers in borax solution while kneading can help. Always supervise children, especially with borax, and ensure hands are washed thoroughly after handling ingredients.
Storage: Store homemade bouncy balls in an airtight container or sealed plastic bag to prevent drying out. Keep them in a cool, dry place away from direct sunlight or extreme temperatures. They generally maintain their best bounce for a few weeks to a month before potentially shrinking or becoming less elastic.
Troubleshooting: If your bouncy ball isn't bouncy, ensure the borax solution was fully dissolved, and the glue mixture was kneaded thoroughly for at least 2 minutes. Be precise with measurements to avoid too much or too little borax.
Safety: When used as directed with adult supervision, borax is generally considered safe for crafts. Ensure children do not ingest the mixture and always wash hands thoroughly after handling. An adult should handle borax measuring for very young children.