How to Make Plastic With Milk


Making plastic with milk can be a fun experiment for kids and parents alike. Creating plastic with milk can be as simple as collecting a few readily available items from your refrigerator and pantry and turning on your stove. Follow these tips to turn your kitchen into a laboratory and make plastic with milk.

Things You'll Need

  • Milk
  • White vinegar
  • Eyedropper
  • Sieve
  • Spoon
  • Rubber gloves
  • Pour 2 cups of milk into the saucepan and warm the milk over low heat until it simmers.

  • Add a total of 4 tsp. of white vinegar into the milk while stirring. For best results, use a dropper to add even amounts of vinegar over the length of the milk's warming.

  • Keep stirring the milk and adding vinegar until the liquid turns clear. Lumps forming indicates that the recipe for plastic is working.

  • Turn off the heat and put on rubber gloves.

  • Place a sieve over a sink. Pour the liquid through the sieve so that the lumps remain in the sieve. Remove the lumps from the sieve and knead them until the lumps look and feel like dough.

  • Form the pliable plastic into your preferred shape. Change the shape until you arrive at one that you want to harden.

  • Set your creation in an area that won't be disturbed. Let the plastic cool for a couple of days. After a few days, check for a permanent, plastic version of your shape.

Tips & Warnings

  • Never allow the milk to boil. If you allow the milk to boil, you may compromise the result.

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