Functioning Lego bumper cars arena
Nuno C creates this classic amusement park attraction featuring bumper cars that actually move. The mechanism is described as a system of gears underneath the floor that moves magnets that pull the cars. This technique has been used in at least two instances but none as complex as this. See the video on Flickr.
Here’s the video:



October 31st, 2011 at 9:11 am
that’s amazing Oo I love it! and want it!
October 31st, 2011 at 4:00 pm
I thought this previous example was sufficiently complex… http://www.brothers-brick.com/2007/07/27/racing-around-bodville-with-peter-edwards/
November 2nd, 2011 at 3:20 pm
Holy smokes, those (Including joelkun’s link) are cool!
November 4th, 2011 at 1:43 am
At least I recall this one applying the same principle, as well.
November 5th, 2011 at 3:34 pm
Damn! I’ve had this idea for a while but haven’t found the time to build it. Very well executed!