Is there anything more magical than the combination of science, color, and a bit of bounce? Whether you’re looking for a rainy-day activity, a hands-on homeschool project, or a unique party favor idea, these Homemade Rainbow Bouncy Balls are the perfect blend of creativity and fun.

Imagine a sunny summer afternoon or a cozy weekend indoors where you and your kids create a batch of colorful, bouncy orbs using simple kitchen ingredients. It’s not just a craft—it’s an experience full of color mixing, tactile learning, and a little bit of science magic. The first time I made these with my nieces, their eyes lit up watching blobs of goo transform into vibrant, springy balls. That joy was so infectious, I knew I had to share it.

This project is more than just DIY—it’s an invitation to connect, to create, and to bounce into some seriously colorful fun.

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Why You’ll Love This DIY Rainbow Bouncy Ball Recipe

• ✅ Quick and easy – Just 10 minutes of prep!
• 🎨 Full of color – Six dazzling rainbow shades.
• 👩‍🔬 STEM-friendly – Learn basic chemistry concepts while playing.
• 👪 Family-friendly – Great for kids and adults to do together.
• 💰 Budget-friendly – Made with inexpensive household ingredients.

This project is a perfect mix of craft, science, and sensory play, making it ideal for birthdays, homeschool science lessons, summer camps, or just a fun weekend craft.

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🧪 Ingredients You’ll Need

This recipe uses basic craft and household supplies that you likely already have on hand. Here’s what you’ll need to get started:

• 1 tablespoon white glue
• 1/2 teaspoon borax powder
• 1 tablespoon cornstarch
• 1 tablespoon warm water
• Food coloring (red, orange, yellow, green, blue, purple)
• 1/4 cup warm water (for the borax solution)

🛍️ Pro Tip: Liquid food coloring works best for vibrant tones, but gel coloring gives you even deeper hues!

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🔬 Step-by-Step Instructions: How to Make Rainbow Bouncy Balls

This process is part-art, part-science. The glue reacts with the borax to form a polymer, giving the bouncy ball its springy texture. Here’s how to turn your ingredients into vibrant bouncing fun:

1. Prepare the Borax Solution

In a small bowl, dissolve 1/2 teaspoon of borax powder into 1/4 cup of warm water. Stir until completely dissolved. This will be the key to activating the glue into a bouncy solid.

2. Mix the Glue Solution

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