Starchy Slime

Ready to make some starchy slime?

This slime recipe is easy and a favorite of mine. Try it out with friends and family. You’ll have a blast!

Let’s get started…


  • Water (1/4 cup)
  • White craft glue (1/4 cup). (Amazon link: Elmer’s Glue)
  • Liquid starch (1/4 cup). (Amazon link: Sta-Flo Liquid Starch). Liquid starch is used for clothing.
  • Food coloring (optional). (Amazon link: Food Color )
  • Mixing bowl
  • Mixing spoon


  1. Pour all of the the glue into the mixing bowl.
  2. Pour all of the water to the mixing bowl with the glue.
  3. Stir the glue and water together.
  4. Add your food color now – about 6 drops should do it.
  5. Now add the liquid starch and stir it in.
  6. It should be nice and blobby by now. As you play with your slimy concoction, it will become more stretchy and easier to hold.
  7. Explore your slimy creation and store it in a zip bag when you are not using it.

Try This:

  1. Does changing the amount of water or glue change the feel of the slime?

  2. Do different glues make better slime?

  3. How does changing the amount of each ingredient change how the experiment turns out?

  4. What happens to it if stored out of a bag compared to in a bag?


The glue is a liquid polymer. This means that the tiny molecules in the glue are in strands like a chain. When you add the liquid starch, the strands of the polymer glue hold together, giving it its slimy feel. The starch acts as a cross-linker that links all the polymer strands together.

The reason the starch acts is a cross-linker is because it contains Borax (sodium tetraborate) in the ingredients. The borate ions in the borax link the polymer strands in the glue. (To learn more about cross-linking, visit “The Best Slime” page in the “Slime” menu).



Want more slimy recipes? Check out these links:


Bouncing Blob

Orange Gunge

Fake Snot

Guar Goop

Fibrous Flubber

Methylcellulose Ooze


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