On page 10, young Marjane proclaims that "the revolution is like a bicycle. When the wheels don't turn, it falls." What does her drawing in the next frame suggest about this idea? How have her opinions of the Iranian revolution changed from when she was a

I think you are referring to the drawing with a lot of people on a bike. They are piled on top of each other trying to go in different directions. The metaphor is that everybody has a different idea where the revolution should lead to. There are so many people trying to steer that the country is going nowhere. Marjane realizes that the concept of revolution is not as simple as when she thought about it as a child.