The kit contains of everything you need to build a drone except the body of the drone. But you get the 3D models for three different body types. Furthermore you can choose between many options for each body.
You can print the drone body you want to have or modify the design to your liking. This opens up many material options. Will you create a drone with Carbon Filled Composite Filament or simple PLA filament to try different designs out. At the moment you can get the kit for a reduced price of 99.99$.