How far does Robbi roll in about four seconds? Well, that depends on how quickly he moves!
As a team in Wir sind die Roboter (We Are the Robots), you try to work together to develop a sense of time and speed. If you can do this, soon you'll know exactly where Robbi will stop.
Boardgame Brody turns into a robot in order to help everyone learn about time perception in his video review of Robots by NSV.