Yeah, that's a reversing-gear assembly in the steering. Push the handlebar left, the wheel turns right. It turns out you can't just jump on it and ride. In this article called You Won't Be Able To Ride This Bike on Nerdist, author Kyle Hill has some discussion about the video below:
Destin at Smarter Every Day has some thoughts about learning and brain plasticity in youth that I don't think will stand up to scrutiny, but I was impressed with his observation that knowledge does not equal understanding. (I wouldn't say it that way, but in the recovery biz, we've known for decades that knowing how to recover from addiction, or even knowing how not to relapse, is not the same as actually doing it.)
And no, I don't want one.