How to Make a Model Brain Out of Paper Mache

Use contrasting colors next to each other to make each section of the brain pop.
Use contrasting colors next to each other to make each section of the brain pop. (Image: Images)

Paper mache is a versatile craft medium that lets you make a hard cast out of any object. It is the perfect tool to use to make a model of the brain because the easily paintable surface lets you clearly label and separate the different sections of the brain. You can make a paper mache brain in a few simple steps.

Things You'll Need

  • Balloon
  • Paper mache (mix or strips)
  • Newspaper
  • Paint
  • Brushes

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Blow up a large balloon to medium size. Tie off the end of the balloon as far up as possible so the narrowing near the tie is minimal.

Prepare the paper mache. Follow the directions if you bought a pre-mix, or skip this step if you bought pre-coated strips. To make paper mache from scratch, boil five cups of water while mixing in a cup of flour. Boil mixture and stir for 3 minutes.

Cut or rip 2 inch thick strips of newspaper and dip individually into the mix. Apply the strips to the balloon until it is covered in a thin layer. Leave a small hole around the tie of the balloon.

Wait one hour to let the first layer dry, unless the pre-mixed mache offers a different drying time. Apply several more layers to the balloon, waiting an hour between each layer until the cast is the thickness you desire.

Pop the balloon inside of the cast. Divide the brain into the different sections and paint each section a unique color.

Tips & Warnings

  • Build up layers of paper mache to look like two separate halves of the brain.


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