How to Make a 3D Brain Model

Written by jose leiva | 13/05/2017
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.

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).

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.

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.

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.

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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