Weekly Engineering Challenge
Summer Invention Challenge
Challenge #10: Mystery Box
You suspect that someone in your family is sneaking into your room and taking your stuff while you sleep at night. Create a trap to catch them in the act using each of our four mystery items: string, rubber band, cup, hanger.See our full rules for more details.
Make a video showing your solution.
See our tips on making a great video here.
Enter the Contest
Create a video of your awesome solution following our guidelines and enter it into our contest by the deadline.
Identify a Problem
Look around your house or community and identify a problem. It can be serious or silly, big or small.
Invent a Solution
Brainstorm a few ways to solve your problem. Now start designing, experimenting and building!