Super Sparkly & Easy Galaxy Slime Recipe

This Galaxy Slime recipe is one of our favorite slime recipes. We are going to take a basic slime recipe and color it in different ways and add sparkle and stars. Kids of all ages will love to explore color mixing for this galactic slime of deep colors.

galaxy slime recipe for kids - shown are colorful slime stretched with colors of red, purple and blue - Kids Activities Blog
Let’s make galaxy slime!

Best Galaxy Slime Recipe

This glitter glue slime recipe is one of my favorites because it doesn’t not require contact solution or borax which are not common in my house. Liquid starch is inexpensive and works really well for this fluffy slime of many colors.

Related: 15 more ways how to make slime at home

This really is the easy way to make slime and the sparkly star confetti made it even more fun! Whip up a batch of slime for hours of fun from sensory play to space slime entertainment.

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How to Make Galaxy Slime

Supplies Needed to Make Galaxy Slime 

Directions for Homemade Galaxy Slime Recipe

Galaxy Slime

Step 1

Add the glitter glue into a bowl and stir in 1/4 cup of water and mix the glue mixture well.

Alternative: Use clear glue and add your own silver glitter.

Galaxy Slime

Step 2

Add a few drops of liquid watercolor to create the desired color then add in the star confetti.

Alternative: Food coloring is always an option when making slime. We liked the watercolor paint for this one because of the vibrance.

Galaxy Slime-10 copy

Step 3

Pour in 1/4 cup liquid starch and stir to combine. The slime will start to separate from the sides of the bowl — remove it from the bowl and knead with your hands until it is no longer sticky and stretches easily.

Galaxy Slime

Step 4

Repeat with the remaining colors and ingredients to create three different colors of slime: blue, pink, and purple.

Galaxy Slime


Stretch the layers together to create a gorgeous galaxy effect!

So cool, right?

How to Store Your Own Galaxy Slime

Use an airtight container to store your DIY galaxy slime. I love using leftover clear plastic food containers or a small zipping plastic bag.

Our Experience Making Galaxy Slime

My son loves playing with homemade slime, and we are always looking for ways to make different and interesting recipes. He loved creating the different colors, then watching them mix and spread.

Galaxy Slime

More Homemade Slime Recipes for Kids to Make

How did your galaxy slime recipe turn out?