You can make this zombie slime any time of year, but we like to use it as a Halloween STEM activity.
Learn about polymer chains while pretending to be a zombie?
Who wouldn’t love that?

“Grrr! I’m a zombie, I’m going to eat your brain!”
You’ll hear this often at our house, as we’re a bit zombie obsessed.
Even my preschooler is delighted by the concept of zombies and is ready to transform into a zombie at any moment.
Because my kids are so zombie-obsessed, of course, we had to add a zombie slime to our collection of slime recipes.
How to Make Zombie Slime
This zombie slime is so much fun and terrifically gross!

What you’ll need to make zombie slime:
Affiliate links included for your convenience.
Elmer’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) BottlesPurex Sta-Flo Liquid Starch, 64 OunceOriginal Stationery Arts and Crafts Glitter Shake Jars, Extra Fine, 24 Multi color Set
Zombie Slime Science

Slime is made up of polymer chains that stretch when bound together. These chains are made when the chemicals in the starch mix with the glue (thanks to boric acid).
Adding more starch makes the slime stringier, which adds to the grungy, zombie-like appearance.
Zombie Slime Directions
For this recipe, you’ll need 1 part white glue, 1/2 a part water, and 1 part laundry starch.
Go here for an expanded set of directions.
Our zombie slime follows our liquid laundry starch slime recipe.
However, there is a twist. I added a tablespoon more starch to the mix.
This makes the slime stringier, which I thought was more zombiesque.
For this slime, you’ll mix 1 part glue, 1/2 part water, and 1 part liquid laundry starch.