"That was nothing hi-tech about it though, but an interesting hack rather. An IR-emitter on the puck and IR-camera next to the normal camera, when overlaying both of the feeds the glow of the IR made the puck lit up and have that fox tail effect."
"I would recommend Gianni Ferrari, especially with the mid-wheel steering. I used to work at the local cemetery during summers in my early teens here in Sweden and it was very capable around the tombstones. It had this similar design already then.https://gianniferrari.com/en/products/"