Mario Kart Toolbox is a software application currently developed by Gericom and Ermelber.

Mario Kart Toolbox features a 3D editor for nkm files. In the editor you will have the ability to edit the NKM, import or export KCL and you even also have a kart editor, the program also can change the rubber band parameters for the cpu and much more.

[Download Here|] (Version