Design and construct a car and program it to travel in a straight line until it hits a wall. Once it hits the wall, program the car to reverse direction and continue until it hits another wall at which point it stops.
Tip: What sensors can be used to detect collisions between objects?
- Lesson plan: Things that go bump – NXT + NXT-G (PDF)
- Lesson plan: Things that go bump – RCX + ROBOLAB (PDF)