How to Build a 'Da Vinci' Bridge from Chopsticks

Frustrated by the failure of my attempt to have my students build a Da Vinci Bridge from chopsticks in Wednesday's Junior High School class, I made this video to show that it is possible!

And it seems that the probelm was that I'd set them an impossible challenge! The chopsticks have to be the flat sided type!!!

Even them it takes me a few attempts to get it right!

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