Rotating Car Game

[trgz]

Anyone remember the 'rotating driving game' from the early 70s that was basically a 3d terrain map with a road or two printed on it, a car that sat on the 'map', and a steering wheel that controlled the side to side movement by means of a magnet underneath it . The magnet effectively went in and out from the centre of the map and allowed you to 'steer' the car as the map rotated; the speed of rotation may even have been controlled to simulate acceleration/braking. I seem to recall a cliff you could drive off! (but that might be my mind playing tricks on me).
Love to figure out what it was - only ever saw the one and my mate had it for his 9th(?) Birthday.

[trgz]

Re: Rotating Car Game

Found it - after much searching earlier today (and previous attempts) I've just hit on it: Matchbox Steer n Go (there's a video on YouTube!)