How should the axel (wood stick) and wheel (DVD) connect?

How should the axel (wooden stick) & car body (cardboard) connect?

How should the axel (wooden stick) & bearing (usually eye hook) connect?
What direction should the rubber band be stretched on the car?
How should the bearing (eye hook) be connected to the car body (cardboard)?
How should the rubber band be twisted on to the back axle?