If you have ever dreamt of building your own airplane, then you should definitely check out this app. With the instructions, you will be able to make your own flying airplane! It’s very easy to use and you can download these instructions for free. 

There are different kinds of airplanes and helicopters in this app. Each of them has its own unique characteristics and properties. These characteristics are:

The wingspan and the length of the aircraft. The height of the aircraft. The wings height and shape. The position of the propellers. The type of engines. The size of the aircraft.