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Schooling Active Monkeys

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in Seasonal· STEM· Summer

How to Make Galaxy Slime: The Sparkliest, Most Amazing Slime

One of the ultimate slime recipes that every person should make at least once (at least I think so) is galaxy slime. Galaxy slime is so cool because it includes so many swirling colors, glitter, sparkles, and stretchy fun. But surprisingly enough, how to make galaxy slime can be a bit tricky.

You can’t make it from just any slime recipe. The best galaxy slime requires a specific galaxy slime recipe that produces a slime with the exact appearance of NASA photos from space. It’s so much fun to hold a literal galaxy in your hands! This NASA slime is too much fun!

My kids LOVE this NASA slime recipe, and today, we’re sharing it with you!

This super easy NASA slime recipe is the ultimate guide in how to make galaxy slime. Kids will love this DIY galaxy slime swirl they can make at home! This NASA slime will keep kids having fun all summer long learning how to make a slime galaxy! #slimerecipe #slime #summerfun #kidsactivities

THE ULTIMATE GALAXY SLIME RECIPE

Read on to see how to make the very best galaxy slime! And don’t forget to try our other summer slime recipes: ice cream slime, ocean slime, and sand slime!

 Slime is one of our favorite recipes for sensory play. This collection of foolproof slime recipes comes with plenty of slime troubleshooting tips!

THE SCIENCE OF NASA SLIME

Slime is made when boron mixes with the polymer chains in the glue, creating strong, but flexible bonds between the molecules. There are so many fun tweaks you can make to a basic slime recipe, like my kid’s favorite, fluffy slime! Since this slime does contain borax, if you have a sensitivity to it, you may want to try our baking soda slime instead.

DON’T MISS: THE ULTIMATE LIST OF SLIME RECIPES!

TIPS FOR MAKING YOUR GALAXY SLIME RECIPE A SUCCESS 

This super easy NASA slime recipe is the ultimate guide in how to make galaxy slime. Kids will love this DIY galaxy slime swirl they can make at home! This NASA slime will keep kids having fun all summer long learning how to make a slime galaxy! #slimerecipe #slime #summerfun #kidsactivities

If this is your first time making slime, you should follow along with our post on slime troubleshooting.  Luckily,liquid laundry starch slime made with clear glue is the easiest slime recipe.

If you don’t want to waste a lot of ingredients, try mixing up a small batch first to make sure you won’t have to tweak it before you make the larger version. We always stock up on gallon sizes of glue and the large laundry starch just in case something goes wrong (but it almost always goes smoothly).

HOW TO MAKE THE BEST GALAXY SLIME SWIRL

Follow these directions and you’ll have the best galaxy slime recipe ever!
printable slime guide

CHECK OUT THE SLIME MADE EASY E-BOOK!

What you’ll need to learn how to make space slime:

 

This post contains affiliate links for your convenience. 

Elmer's Liquid School Glue, Premium Clear, Washable, 1 Gallon, 1 Count - Great For Making SlimeElmer’s Liquid School Glue, Premium Clear, Washable, 1 Gallon, 1 Count – Great For Making SlimeFood Coloring Liqua-Gel - 6 Color Rainbow Kit in .75 fl. oz. (20ml) BottlesFood Coloring Liqua-Gel – 6 Color Rainbow Kit in .75 fl. oz. (20ml) BottlesPurex Sta-Flo Liquid Starch, 64 OuncePurex Sta-Flo Liquid Starch, 64 OunceOriginal Stationery Arts and Crafts Glitter Shake Jars, Extra Fine, 24 Multi color SetOriginal Stationery Arts and Crafts Glitter Shake Jars, Extra Fine, 24 Multi color Set

THE BEST RECIPE FOR GALAXY SLIME SWIRLS

This super easy NASA slime recipe is the ultimate guide in how to make galaxy slime. Kids will love this DIY galaxy slime swirl they can make at home! This NASA slime will keep kids having fun all summer long learning how to make a slime galaxy! #slimerecipe #slime #summerfun #kidsactivities

Follow these directly precisely, and you will learn how to make galaxy slime perfectly! Pay special attention to brands of food coloring, glue, and laundry starch. We can’t guarantee results with any other brands, and often, they just don’t work as well! Please note that laundry starch does have extracts of Borax in it, so this is not a borax-free slime (if you’re looking for that, try this borax-free slime recipe).

 

What you’ll need to make the best galaxy slime recipe:

This super easy NASA slime recipe is the ultimate guide in how to make galaxy slime. Kids will love this DIY galaxy slime swirl they can make at home! This NASA slime will keep kids having fun all summer long learning how to make a slime galaxy! #slimerecipe #slime #summerfun #kidsactivities

  • Purple, blue, and pink food coloring (we recommend using this set)
  • Purple glitter (fine glitter works best)
  • Elmer’s clear glue
  • Sta-flo liquid laundry starch

MAKING GALAXY SLIME DIRECTIONS

This super easy slime recipe is the ultimate guide in how to make galaxy slime. Kids will love this DIY version of slime they can make at home!

We always have good results when we mix one part glue, one part water, and one part laundry starch.

If you want your slime to be slightly thicker, use a little less water, but I like how this ratio produces a true slime texture without being sticky or too runny. You’ll need three bowls for each color of your galaxy slime.

For our recipe, we added 1/2 a cup of glue, 1/2 a cup of water, purple glitter, and food coloring to each bowl.

After stirring, add 1/2 a cup of laundry starch to each bowl and stir with a fork.

This super easy slime recipe is the ultimate guide in how to make galaxy slime. Kids will love this DIY version of slime they can make at home!

At first, the slime will be sticky and look gross, but it’s not ruined. The slime takes a little while to fully form. If you think it’s too gooey, try letting it sit for about five minutes then come back to it.

This super easy slime recipe is the ultimate guide in how to make galaxy slime. Kids will love this DIY version of slime they can make at home!

In most cases, stretching it and playing with it after the rest period will quickly transform it into the perfect slime. Think about it like building up gluten strands when making bread. Kneading it produces a better texture!

This super easy slime recipe is the ultimate guide in how to make galaxy slime. Kids will love this DIY version of slime they can make at home!

Once the three colors of slime are stretchy and no longer cloudy, it’s time to mix them.

This super easy slime recipe is the ultimate guide in how to make galaxy slime. Kids will love this DIY version of slime they can make at home!

We sort of twisted and pulled them together to create a multi-color strand that had swirls and pockets of color like galaxy photos.

This super easy slime recipe is the ultimate guide in how to make galaxy slime. Kids will love this DIY version of slime they can make at home!

The more you play and stretch with the slime, the more galaxy like it will be, but after mixing completely, your slime will develop a solid purple color that is still cool, but looks a little less galaxy-like.

This super easy slime recipe is the ultimate guide in how to make galaxy slime. Kids will love this DIY version of slime they can make at home!So if you want to preserve the appearance of the galaxy, don’t over mix it.

 

When it looks like this, it’s about perfect!

This super easy slime recipe is the ultimate guide in how to make galaxy slime. Kids will love this DIY version of slime they can make at home!

We stretched our galaxy slime over a plastic snow globe and it looked amazing!

 

There are so many fun ways to play with galaxy slime!   And now you know how to make galaxy slime!

This super easy slime recipe is the ultimate guide in how to make galaxy slime. Kids will love this DIY version of slime they can make at home!

More Slime Recipes to Try

Classic Broax Slime RecipeBorax SlimeWant to know how to make the best fluffy slime? This recipe shows you how and it's so easy and fun! This slime recipe will be a favorite!Fluffy SlimeThis bubblegum slime recipe looks and feels just like ABC chewed gum! It is delightfully gross and would make a perfect practical joke!Bubblegum SlimeLearn how to make unicorn poop slime that will wow your friends and gross everyone else out! It's so easy, and a blast to make!Unicorn Poop SlimeThese St. Patrick's Day activities for kids are adorable, fun, and easy to make! Kids will love these activities! Fun for classrooms or home!Rainbow Slime

Filed Under: Seasonal, STEM, Summer Tagged With: science experiments, stem activities, summer activities

About Brenda Priddy

I'm Brenda, a writer and mom to two girls (10 and 4) from Dallas, TX. My passions are STEM activities, hands-on learning, and finding creative ways to teach kids with ADHD. Also, coffee. Always coffee.

« Hands-On, Simple Learning Activities for Summer That Kids Will Love!
Love Your Planet! Clay Hearts Solar System Project »

Trackbacks

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Schooling a Monkey is a one-stop shop for hands-on teaching ideas.

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