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Rubber Band Car
Winding stores energy in the rubber band. Letting go turns it into motion.
Let's do it ↓Grab this
- A small cardboard box
- 4 bottle caps
- 2 pencils or skewers
- A rubber band
- Tape
Do it in 3 steps
1
Poke the pencils through the box as axles and push bottle caps on the ends as wheels.
2
Hook a rubber band to the back axle and the front of the box.
3
Wind the back wheels backward and let go.
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
Race it against a grown up's car.
🧠 Why it works
Winding stores energy in the rubber band. Letting go turns it into motion.
A grown up should be nearby for every challenge. Clean up together when you are done.
