How to Make a 3D Brain Model

Written by jose leiva
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How to Make a 3D Brain Model
Making a 3D brain model with a brain mould is easy. (blue brain image by John Sfondilias from

Making a 3D model of a brain is made easy by the availability of brain moulds at toy stores, hobby shops and online stores. With a little bit of playdough, a brain mould and a permanent marker, you could have yourself a 3D brain model that will show you what the brain looks like and let you identify the different parts of the brain.

Skill level:

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Things you need

  • Brain mould
  • Playdough
  • 1.5 cups instant potato flakes
  • 2.5 cups hot water
  • 2 cups sand
  • Bag
  • Refrigerator
  • Permanent marker

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  1. 1

    Purchase a brain mould from your local toy store, hobby shop or from an online shop. Stores such as Brain-Mart, Hollywood Toys and Costumes, and Nightmare Factory would carry brain moulds (see Resources).

  2. 2

    Fill the brain mould with some playdough or cook up a brain recipe that will harden in the brain mould. An example of a mixture that will mould and harden into a brain consists of 1.5 cups of instant potato flakes, 2.5 cups of hot water and 2 cups of sand mixed together in a bag and then poured into the mould.

  3. 3

    Put the brain mould in the refrigerator and let the brain mixture harden for about 2 hours or, if you used playdough, for about 10 minutes outside of the refrigerator.

  4. 4

    Pull the brain mould out of the refrigerator and then flip the mould inside out to pop the 3D brain model out of the mould. Mark the model with a permanent marker if you want to label the different parts of the brain.

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