This is seriously ridiculous. This kid is from the Netherlands, I don't know exactly his age but he's not over 24.
He makes the bodies (carbon composite), interiors, wheel covers... The model are raced on the Open European Prototype Series (https://www.oeps-info.com/).
Take a look at these photo albums to undertand the complexity:
https://picasaweb.google.com/dewachter.nick/OEPS2011908#5558834029500879362
https://picasaweb.google.com/dewachter.nick/OEPSNDWCarsForTrier#
Some more pics:
-Chassis:
-Bodies:
We need a bigger track !!!!!