Originally Posted by
aztimm
...heck you can take the light rail there from the airport if you want and you wouldn't need a car.
.
The OP said they had two very small children. Depending on the time of arrival, I would absolutely not recommend riding the light rail with two small children, luggage, and whatever other child necessary items they have.
ETA: regardless of time of arrival, I would not recommend attempting the light rail.