Crash Test Car

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Project Snapshot

Did you know that real scientists and engineers destroy cars on purpose to learn how safe they would be in a crash? It's true!

Now it's your turn to create and crash a DIY car! The goal is to keep a plastic egg safely seated inside, and prevent its head from touching the ground in the event of a rollover accident.

This is a completely open-ended project. There's no right way to build it, but be sure to limit key materials like cups and rubber bands to encourage creative solutions!

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Tools and Materials

The Engineering Creation Kit has everything you need for this project and many more from STEM Inventions, or get the supplies in bulk:

Tips and Troubleshooting

If the egg keeps falling out, then...

  • Add or redesign the seatbelt. It needs to be snug, and designed to prevent the driver from being flung forward upon impact.

If the egg keeps breaking open, then...

  • Add cushioning around the egg.

If students are completely encasing the egg in materials, then...

  • Remind them: In real cars, drivers must be able to see out of the car, and must be able to enter and exit the car easily. You can't drive if you're inside a cushioned box, and it would be very uncomfortable to be taped down to your seat! (See the Lesson Plan in the Resources for more details on the design criteria).