Making galaxy slime is an exciting and creative DIY project that can be enjoyed by people of all ages. This mesmerizing, sparkly, and stretchy substance is not only fun to play with but also easy to create using common household items. In this article, we will guide you through the process of making your own galaxy slime, offering various methods and tips to customize your creation.

Key Takeaways

  • DIY galaxy slime is a fantastic activity that combines creativity and science.
  • There are multiple methods and ingredients you can use, allowing for to make diy galaxy slime (1)
  • Properly storing your galaxy slime will help it last longer and maintain its quality.

The Basics of Galaxy Slime

Galaxy slime is a type of homemade slime that mimics the mesmerizing colors and sparkles of the cosmos. It is typically made using a combination of glue, baking soda, and saline solution, with added glitter and food coloring to create the galaxy effect. The appeal of galaxy slime lies in its unique texture, vibrant colors, and the sensory experience it provides. It’s not only a fun craft project but also a great way to introduce basic chemistry concepts to kids.

Materials Needed

To make galaxy slime, you’ll need the following essential ingredients:

  • Glitter glue: This acts as the base of your slime and provides the initial sparkle. You can use different colors of glitter glue for a more vibrant effect.
  • Baking soda: This helps to thicken the slime and gives it the right consistency.
  • Saline solution: This acts as an activator, turning the glue mixture into slime.
  • Water: This is used to adjust the consistency of the slime.
  • Food coloring: To enhance the galaxy effect, you can add food coloring to create different shades.

Optional materials for customization include

  • Acrylic paint: This can be used instead of or in addition to food coloring for more intense colors.
  • Star confetti: Adding star-shaped confetti can enhance the galaxy theme.
  • Biodegradable glitter: For an eco-friendly option, you can use biodegradable glitter instead of traditional glitter.

Step-by-Step Instructions

To make your galaxy slime, follow these detailed steps:

  1. Prepare Your Workspace: Cover your work area with newspaper or a plastic sheet to prevent any mess.
  2. Mix the Glue and Water: In a bowl, mix equal parts of glitter glue and water until well combined.
  3. Add Food Coloring: If you’re using white glue, add a few drops of food coloring to achieve your desired color. Mix thoroughly.
  4. Add Baking Soda: Stir in a teaspoon of baking soda to the mixture. This will help thicken the slime.
  5. Add Saline Solution: Slowly add the saline solution, a few drops at a time, while continuously stirring. The mixture will start to come together and form slime. Keep adding saline solution until the slime reaches your preferred consistency.
  6. Knead the Slime: Once the slime has formed, take it out of the bowl and knead it with your hands for a few minutes. This will help improve its elasticity and texture.
  7. Create the Galaxy Effect: Divide the slime into different portions and add different colors of food coloring or acrylic paint to each. Mix the colors slightly to create a marbled, galaxy-like effect.
  8. Add Sparkle: For extra sparkle, mix in some additional glitter or star confetti.


  • White Glue Galaxy Slime: For a more transparent base, use clear glue instead of glitter glue and add more glitter and food coloring to achieve the galaxy effect.
  • Fluffy Galaxy Slime: Add shaving cream to the mixture before adding the saline solution for a fluffier texture.

Advanced Tips and Tricks

Here are some of the advanced tips and tricks for “How to Make DIY Galaxy Slime”:

Customizing Your Galaxy Slime (300 words)

To make your galaxy slime even more unique, consider the following customization tips:

  • Multicolored Galaxy Effect: Create a more dynamic galaxy effect by using multiple colors of glitter glue or by adding different colors of food coloring to separate portions of the slime. Gently mix the colors without fully blending them to maintain distinct swirls.
  • Extra Sparkle and Texture: Enhance the texture and appearance of your galaxy slime by incorporating various types of glitter, such as fine, chunky, or holographic glitter. You can also add small beads or star confetti for an added celestial touch.

Troubleshooting Common Issues (200 words)

Slime is too stiff, you can add a little bit of warm water and knead it until it becomes more pliable. Be careful not to add too much water, as it can make the slime too runny. If the slime remains stiff, a few drops of lotion can also help soften it.

Storing Galaxy Slime

To keep your galaxy slime in good condition for as long as possible, follow these storage tips:

  1. Use an Airtight Container: Store your galaxy slime in an airtight container to prevent it from drying out.
  2. Keep It Cool: Store the container in a cool, dry place away from direct sunlight and heat sources.
  3. Refresh with Water: If your slime starts to dry out, you can add a few drops of warm water and knead it until it regains its original texture.


Making galaxy slime is a delightful and educational activity that allows for endless creativity and experimentation. By following the steps and tips outlined in this article, you can create your own mesmerizing galaxy slime that’s perfect for sensory play or as a unique DIY project. So gather your materials, unleash your imagination, and enjoy the cosmic journey of crafting your very own galaxy slime!


How long does galaxy slime last?

With proper storage, galaxy slime can last for several weeks to a few months.

Can galaxy slime be made without borax?

Yes, this recipe uses saline solution as a safer alternative to borax.

What are the best colors for galaxy slime?

For a classic galaxy look, use a combination of dark blue, purple, pink, and black, with plenty of glitter.


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