← All challenges
Paper Helicopter
Air pushes up on the blades as it falls, and the angled blades turn that push into a spin. Real helicopter blades work the same way.
Let's do it ↓Grab this
- 1 sheet of paper
- Child safety scissors
- 1 paper clip
Do it in 3 steps
1
Cut a long strip of paper, then cut a slit down the top half.
2
Fold the two top flaps in opposite directions and clip a paper clip to the bottom.
3
Drop it from up high and watch it spin all the way down.
DO IT WITH MEYour turn! Beat the clock.
Press start, then put the screen down and build. We'll cheer when time is up.
5:00
⭐ Bonus round
Make the blades shorter. Does it spin faster or slower?
🧠 Why it works
Air pushes up on the blades as it falls, and the angled blades turn that push into a spin. Real helicopter blades work the same way.
A grown up should be nearby for every challenge. Clean up together when you are done.
