Have you ever used Airfoil on your computer? If not you will probably be interested in trying it out. This is a free application that makes the process of airfoil design so much easier for the average user. It is a simple and fun game to play and will teach you how to create a simple airfoil using the simple drag and drop tool that come with the program. If you don't have a computer, you can also download a version of Airfoil to a MAC or PC from the internet.
The main reason to play the game is to learn about the properties of air and the way it works. It is also a great learning tool because the game allows the user to create a wide variety of different airfoils, each with different properties. This will help you create more complex airfoils and will give you a better understanding of what airfoils are really made of. If you don't have much time, you can play the game a few times to get a feel for how the program works and it is also a great way to keep the kids entertained. The kids will probably get bored after a few tries, so if you are playing Airfoil, you might as well have fun as well.