Why did it take so long to invent the wheel?

The History of the Wheel Questions

1. When was the first wheel invented?
2. What was the first wheel used for?
3. What was the tricky thing that had to be invented and engineered in order to make the wheel for more rapid transportation?
4. Describe how the earliest wagons looked.
5. Name the two places it is believed that the wheel was invented.
6. Describe six different stages of the wheel’s evolution.  You can look at the picture for your description.