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Walking Water Rainbow

Build it⏱ 5 minutesAges 4-10

Water climbs up tiny gaps in the paper. Plants drink water the same way.

Let's do it ↓

Grab this

  • 3 clear cups
  • Paper towels
  • Water
  • Food coloring
Supplies for Walking Water Rainbow

Do it in 3 steps

1

Fill the first and third cups with colored water. Leave the middle one empty.

Walking Water Rainbow step 2
2

Fold paper towels into strips and bridge them from cup to cup.

Walking Water Rainbow step 3
3

Check back in a few minutes. The colors walk and mix.

Tinker Ted with a stopwatchDO IT WITH ME

Your turn! Beat the clock.

Press start, then put the screen down and build. We'll cheer when time is up.

5:00

⭐ Bonus round

Try red and blue. What color shows up in the middle?

🧠 Why it works

Water climbs up tiny gaps in the paper. Plants drink water the same way.

A grown up should be nearby for every challenge. Clean up together when you are done.

Did you do it?

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