Lightening port for better form factor and robustness - with all the functionality and performance of USB 3.1/Lightening. Advantage on mobile devices at least. Maybe right for my MacBook Pro as well with my plugging/unplugging external devices every time I head to work.
So this does not seem to be available online. Just at select Apple stores (physical) as the article says. Eight and up is the demographic of my grandkids, and it would be pretty cool for them to control their own robot.