Galaxy Slime

By: Holly Homer from
Galaxy Slime
Galaxy Slime

"Galaxy Slime is a fun and colorful way to let kids explore color mixing and spark interest in outer space. It makes a fun birthday party activity, or party favor--especially for a space-themed birthday party! All you need to make galaxy slime is: 3 – 6 oz bottles of glitter glue, 3/4 cup water, divided, 3/4 cup liquid starch, divided, silver confetti stars, liquid water colors — we used purple, magenta, and teal. It's so fun to make this slime! "

Primary TechniqueGeneral Crafts


Materials List

  • 3 – 6 oz bottles of glitter glue
  • 3/4 cup water, divided
  • 3/4 cup liquid starch, divided
  • silver confetti stars
  • liquid water colors — we used purple, magenta, and teal


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

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

  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.

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

  5. Stretch the layers together to create a gorgeous galaxy effect!

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