Inside: Take your homemade slime to the next level with this groovy glow in the dark slime recipe! Safe for kids – made with all edible ingredients!
Taste-Safe Glow in the Dark Slime Recipe
I grew up playing with slime (anyone else remember Nickelodeon Gak?!) so when the “slime craze” hit about a year ago, I was probably even more excited than my kids!
When we first started experimenting with homemade slime recipes, I stuck with taste-safe ingredients. When you have a toddler that puts everything in their mouth, you just have to assume that she’s going to try to taste the slime too!
I pulled out an old bartending trick and incorporated a “secret” ingredient that makes food and drinks glow under a blacklight. It totally worked with our slime!
This glow in the dark slime is based on oobleck recipe, though incorporating fluffy marshmallows gives it a little extra “oomph” and thickness. But it’s still nice and oozy – perfect to squeeze through your fingers.
And it glows!!
Edible Glow in the Dark Slime Ingredients
I’ve included affiliate links for your convenience in re-creating this recipe; disclosure policy available here.
Supplies used to make this glowing slime recipe:
Just a note: This glow in the dark slime recipe is made with all edible ingredients, so it is taste-safe. However, it doesn’t exactly taste what I would consider delicious, so I don’t recommend eating as a food or in large amounts. Always supervise kids when making and playing with slime.
How to make edible glow in the dark slime
Combine 1/2 cup corn starch and 3/4 cup tonic water. Whisk together until well combined.
Place 1 cup small marshmallows in a microwave safe bowl and microwave 20-30 seconds, stirring halfway through. Remove from microwave and spoon into your mixing bowl where you’re making slime. (Use caution, as bowl may be hot).
Whisk marshmallows into your mixture until smooth.
Add remaining cup of corn starch little by little, stirring as you go, until you reach your desired consistency. If you prefer more of a liquid oobleck, use less cornstarch. If you prefer a thicker, dough-like slime, use more cornstarch.
*Optional – add a drop or two of your favorite food coloring so the slime looks colorful under normal light too.
This glow in the dark slime will be similar in consistency to a oobleck, though a bit thicker than traditional recipes.
Turn down the lights, pop on a blacklight, and have a glowing good time with your glow in the dark slime!
Tip: Make your own “blacklight” with this cool phone hack from my friend Jennifer at Sugar Spice & Glitter!
How does it work?
Our “secret” glowing ingredient, tonic water contains a substance called quinine, which is fluorescent under UV light (your blacklight). Read more about how it works here.
Safety disclaimer — Large doses of quinine can have adverse affects in some people, but the amount of quinine in tonic water is very small and considered safe by the FDA. This slime recipe is technically edible, but please don’t consume as a food item or in large amounts.
Can’t Get Enough Slime??
From seasonal & holiday slime, to glow-in-the-dark slime, theres over 30 recipes for hours of play! Many of them are brand new and never published!
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Last updated on October 20th, 2017 at 03:26 pm
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