Simply Play

Paper Towel Rainbow

Six cups of water connected by paper towels reveal a slow, beautiful color blend. Capillary action as a magic trick.

🧒 Ages 3-5, 6-8⏱ 1 hr⛅ Weather
Paper Towel Rainbow
Paper Towel Rainbow
Paper Towel Rainbow
Paper Towel Rainbow
Paper Towel Rainbow
Paper Towel Rainbow
Paper Towel Rainbow

How to do it

  1. 1

    Pour water into six cups arranged in a circle.

  2. 2

    Add a primary color of food coloring to every other cup.

  3. 3

    Connect each cup to the next with a strip of paper towel acting as a bridge.

  4. 4

    Watch over the next hour as colors travel and mix.

Watch the activity

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