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Combining watercolours and oil is a fun way to explore science and art at the same time!


  • Liquid Watercolours
  • Watercolour Paper
  • Eye Droppers (you’d be surprised at how fun they are for art-making!)
  • Cooking Oil
  • Trays or plates
  • Paint containers


  • Mix your liquid watercolours and water in individual containers. Pour cooking oil into one separate container.
  • Place your watercolour paper in a tray. This project is messy!
  • Using an eyedropper, drop watercolours on the paper.
  • Using a different eyedropper, drop oil onto the paper and watercolours.
  • Repeat these steps as desired. Before the art turns into a mess of brown I suggest limiting the number of time you repeat the process. If your kids are excited to do this, have multiple pieces of paper/trays on hand for them to make more art!
  • Without disturbing them too much, move to a safe location to dry.
  • Let dry for several hours or overnight.

Spark Creative Learning!

Use this project as an introduction to the concept that oil and water don’t mix. Show your child that no matter how hard you try, these two liquids will avoid each other at all costs! Oil will either float on top or through the watercolours or, if applied to the paper first, prevent the watercolours from absorbing into the paper.

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