I spend 6 hours (3PM - 9PM) on eid and 5 hours (3PM - 5PM) the day after working on my project.
It's a lego car, controlled by a nintendo game pad. And this car can't cross what is a 'virtual wall'. You'll understand if you see video #2.
Pictures:
Videos:
Intro (car gets stuck in the wires... grrr):
Link to Intro (15 seconds, 5MB)
'Virtual Wall' demonstration: Link to Demo (15 seconds, 5MB)
Car Dance:
Link to Car Dance(15 seconds, 5MB)
Cruising:
Link to Demo (15 seconds, 5MB)