QT Bird

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Kids' Kitchen and Crafts

Oobleck

Here is how to make oobleck with cornstarch and water, about two to one. It is solid when you squeeze it and runs like a liquid when you let go.

By

Sara Noel
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Oobleck

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Cornstarch and water at about two to one: solid when squeezed, liquid when relaxed. A favorite science play.
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Prep Time10 minutes
Total Time10 minutes
CourseDIY
Ingredients Equipment Directions Notes

What You’ll Need
  

  • Water
  • Cornstarch
  • Food coloring glitter (optional)
  • Ratio: 1 part water to 1.5 to 2 parts cornstarch

Equipment

  • mixing bowl

Directions
 

  1. Put the water in first, then add the cornstarch bit by bit.
  2. Stir for about 10 minutes until it is smooth and even.
  3. For a firmer result, add more cornstarch.
  4. If you like, stir in a few drops of food coloring or glitter.

Notes

Safety: Taste-safe ingredients but NOT a snack; supervise little ones. Skip glitter for young kids (eyes and mouths). Don’t pour oobleck down the sink: it can clog drains. Let it dry and throw it in the trash.
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