Three different behaviors that you made:
1. train-1* - They move along the curved railroad and stop at the station. When they leave on the one side, they will appear on the other side.
2. helicopter-0* - From every helipad, it will take off vertically and turn to the direction it is heading to. Then it lands and wait for the next trip. When it takes off near the station, it will choose randomly which skyscraper to go, loaded and modified from WB6.
3. RollerCoaster-1* - The cars follows a 3D track and banks during turns. When it finishes a round at the lowest point. It will wait for the next round.

One behavior that is not simple:
Not simple: RollerCoaster-1* (described above)

Animated Articulated Figure:
Articulated: helicopter-0* - The spining of the fans is articulated.

Other Behaviors that you made: (backup in case something above doesn't count)
- car-1* - The car travels on the ring road, stops at the intersection and also stops somewhere on the straight road to wait for pedestrians.
- man-1* - The rotations of the arms and legs are articulated with the man running in a circle.