How do you make glow in the dark slime? This week we tackled this slime making challenge to bring you a cool glow slime recipe kids will love. We used our super easy basic saline solution recipe and added a glow powder for some super glowing slime that doesn’t even need a black light. Making slime is an awesome activity for kids!

HOW TO MAKE GLOW IN THE DARK SLIME!

Glow in the dark slime

GLOWING SLIME

If you have been wanting to make DIY glow in the dark slime, now’s the perfect time because we have the perfect glowing slime recipe to share with you. You do need a special powder to add to your slime recipe, but you don’t need a black light.

This slime just needs to charge in the sun for a bit! I will tell you that we tried glow in the dark paint from the craft store, and while it worked a little bit, we definitely didn’t get the cool glow like we did from using the powder. If you are going to make and take your slime into a dark room, I highly suggest keeping it on a tray to avoid getting it on furniture, bedding, or rugs!

Easy To Make Glow In The Dark Slime

WHAT MAKES SLIME GLOW IN THE DARK?

The glow in the powder is from phosphorescent crystals. This powder absorbs light and then gives off the lovely glow over a length of time (before needing to be recharged). This glow occurs when electrons absorb energy from light, so make sure to find a sunny place.

When you play with your glow in the dark slime is a dark place, these same electrons produce a glow which is energy in the form of light we can see. There isn’t a chemical reaction that occurs except for the slime making process.

You might also like our color changing sun activated slime recipe!

Glow In The Dark Slime for Easy Glowing Slime

  CLICK HERE FOR YOUR FREE SLIME RECIPE CARDS!

GLOW IN THE DARK SLIME RECIPE

This glowing slime uses just three ingredients which are saline solution, baking soda, and clear glue.  Now if you don’t want to use saline solution, you can absolutely test out one of our other basic slime recipes using liquid starch or borax powder.

GLOW IN THE DARK SLIME INGREDIENTS:

  • 1/2 cup Clear Washable PVA School Glue
  • Saline Solution (must contain sodium borate and boric acid as ingredients)
  • 1/2 cup water
  • 1/2 tablespoon glow powder
  • 1/2 teaspoon baking soda

How To Make Glow In The Dark Slime Set Up Supplies

HOW TO MAKE GLOW IN THE DARK SLIME 

STEP 1. Add 1/2 cup of clear washable PVA school glue to a bowl.

How To Make Glow In The Dark Slime :Water

STEP 2. Add 1/2 cup of water to the glue and mix well.

How To Make Glow In The Dark Slime : Clear Glue

STEP 3. Stir in the baking soda (adds firmness to the slime).

How To Make Glow In The Dark Slime : Baking Soda

STEP 4. Add the glow powder and mix well.

Glow In The Dark Slime : Adding Glow Powder Pigment

Glow In The Dark Slime : Mixing Slime

STEP 5. Next add 1 tablespoon of saline solution (slime activator) and stir the slime well until it pulls away easily from sides and bottom of bowl!

If your slime is still too sticky, add a few more drops of saline solution.

Glow In The Dark Slime : Saline Solution Recipe

Glow In The Dark Slime : Mixing Slime Recipe

STEP 6:  Knead the slime for a few minutes until it becomes very stretchy.

TIP: Once you have thoroughly mixed slime with a spoon, sprinkle a few drops of saline solution on your hands. Now you can easily knead your glowing slime either in the bowl or out of the bowl for a few minutes. It will be very stretchy!

Slime can get messy! Click here for how to get slime out of clothes.

Glow In The Dark Slime : stretchy Slime

Easy To Make Glow In The Dark Slime for Kids

STORING YOUR GLOW IN THE DARK SLIME 

Slime can last quite a while! I get a lot of questions regarding how I store my slime. We use reusable containers in either plastic or glass. Make sure to keep your slime clean and it will last for several weeks.

If you want to send kids home with a bit of slime from a camp, party, or classroom project, I would suggest packages of reusable containers from the dollar store or grocery store or even Amazon. For large groups we have used condiment containers.

Glow In The Dark Slime for science and Sensory Play

MORE COOL SLIME RECIPES

HOW TO MAKE GLOW IN THE DARK SLIME

Click on the image below or on the link for tons of fun slime recipes for kids.

slime recipes

No more having to print out a WHOLE blog post for just one recipe!

Get our basic slime recipes in an easy to print format so you can knock out the activities!

  CLICK HERE FOR YOUR FREE SLIME RECIPE CARDS!

15 Comments

  1. Can I make a double or triple batch at once or does it work better to do one batch at a time?

  2. I have made double batches and it works great! Just remember to calculate all the ingredients!

  3. I would love to do this for our VBS! How many batches would you recommend per 5 kids?

  4. 1 batch per 5 kids will give them all just enough to fill a condiment size container.

  5. Would we need to alter the ingredients if we add glitter or googly eyes for Halloween slime for a classroom activity?

  6. Googly eyes would be fun! I am not 100% sure if the glitter would affect the glow in the dark quality though. Make it an experiment and test two batches!

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