4th September 2025
Glow-in-the-Dark Slime Recipe Kids Will Love
Learn how to make glow-in-the-dark slime kids will love! This easy DIY recipe is safe, fun, and perfect for sensory science play.
DIY Team
Glow-in-the-Dark Slime Recipe Kids Will Love
Looking for a fun, hands-on science activity that will wow the kids? This glow-in-the-dark slime recipe combines creativity, science, and sensory play all in one gooey project. It’s safe, easy to make, and guaranteed to light up the room-literally!
What Makes Glow-in-the-Dark Slime Special?
Unlike regular slime, glow-in-the-dark slime contains phosphorescent materials that absorb light and re-emit it in the dark. This makes it both educational and magical for kids. It also opens the door for learning about light, energy, and chemical reactions.
Ingredients You’ll Need
1/2 cup clear PVA glue (Elmer’s Clear Glue is ideal)
1/2 cup warm water
1 tablespoon glow-in-the-dark pigment or paint (non-toxic)
1/2 teaspoon baking soda
1 tablespoon saline solution (with boric acid)
Optional: glitter or neon food coloring for extra flair
Step-by-Step Instructions
Step 1: Mix the Glue and Water
In a bowl, combine 1/2 cup of clear glue with 1/2 cup of warm water. Stir well until fully blended.
Step 2: Add Glow Pigment
Mix in 1 tablespoon of glow-in-the-dark pigment. Stir thoroughly to evenly distribute the glowing material.
Step 3: Add Baking Soda
Add 1/2 teaspoon of baking soda and mix. This helps give the slime structure.
Step 4: Activate with Saline Solution
Slowly add 1 tablespoon of saline solution while stirring. The slime will start to form and pull away from the sides of the bowl.
Step 5: Knead and Play
Once the slime becomes less sticky, take it out and knead it with your hands. It should be stretchy, glowy, and ready to play!
Safety Tips for Kids
Use non-toxic glue and pigment only
Always supervise young children
Store slime in an airtight container when not in use
How to Make Your Slime Glow Brighter
Charge it under light: Place the slime under a bright lamp or sunlight for 1-2 minutes before turning off the lights.
Use quality glow pigments: Phosphorescent powders are more effective than most glow paints.
Experiment with color: Neon food coloring enhances visibility even when it’s not glowing.
FAQs About Glow-in-the-Dark Slime
Does glow-in-the-dark slime really glow?
Yes! When made with phosphorescent materials, it glows in the dark after being "charged" with light.
Is it safe for kids?
Absolutely-as long as you use non-toxic, child-friendly materials and supervise the process.
Can I use white glue instead of clear glue?
You can, but the glow effect will be dimmer. Clear glue works best for maximum luminosity.
How long does it glow?
The glow typically lasts for 30 seconds to a few minutes per charge, depending on the pigment quality.
Can I store it for later?
Yes. Keep it in an airtight container and it should last for a week or more.
Author: DIY Science Team | Educational Slime Series
