How to Make Slime for Kids

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Things You'll Need

  • 1 cup of warm water

  • 1 cup of cornstarch

  • Food coloring

  • Stainless steel bowl

  • Plastic resealable bags

Making slime has never been easier or safer for kids. Also sometimes called ooblek after the Dr. Seuss story "Bartholomew and the Ooblek," this mixture of corn starch and water creates an odd and fascinating texture. It acts as a liquid when poured, but behaves as a solid when pressure is applied to it. The cool feel of the oozing slime will keep children fascinated and experimenting with it. It's a fun project for a school class or a birthday party.


Step 1

Measure the warm water into a stainless steel bowl. Add a few drops of food coloring to the warm water. The more you add the darker the slime will be.

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Step 2

Pour the cornstarch into the bowl and stir it with a wooden spoon to mix. You can also choose to mix it up with your hands, or let the children help you squish it all together. Continue mixing the ingredients until all of it is incorporated and the texture is a cohesive slime.

Step 3

If the slime feels too dry, add a few drops of water and mix until the consistency is better. If the slime feels too wet, add a tablespoon or more of cornstarch and mix.


Step 4

Scoop out some slime for each child and place each portion into a resealable plastic bag. Label each bag with the child's name, if desired, to prevent them from mixing up their portions.


For a Halloween or a boys' party, add plastic eyeballs, bugs or worms to the slime. For a girls' party, add some glitter for sparkly slime. Send the children home with their bags of slime and the recipe so they can make more slime later.


While this product is nontoxic, still don't allow any children to eat it.