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Walking Water Rainbow
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

Do it in 3 steps
1
Fill the first and third cups with colored water. Leave the middle one empty.
2
Fold paper towels into strips and bridge them from cup to cup.
3
Check back in a few minutes. The colors walk and mix.
DO 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.


