This model is open source and available on Tinkercad!
Also you can buy the electronics here:
If you don't want the electronics you can print the static version:
3DRacers is a 3D printed racing game, based on Arduino and smartphone enabled.
Design your car online, choose from over 100.000 variations and 3D print your model.
Race with your friends (up to 1000 simultaneously!!) with the Android/Iphone app and automatic lap counter.
More info on: http://www.3dracers.com