Are you ready to take on a fun STEM challenge? Using simple household materials, we want you to design a marble run that takes a minute to complete - no more, no less. Watch the video to see how Dyson engineers have tackled the problem, including an impressive run made from Dyson parts. Download the challenge card at www.jamesdysonfoundation.com. And don't forget to share your challenges with us on Facebook and Instagram #JDFChallenge.