For enthusiasts of a certain age, building a model-car kit—or multiple kits—was a rite of passage. But regardless of when you were born, it's a fact that many car fanatics from Detroit designers to ...

In the world of custom die-cast 1:64-scale toy cars, enthusiast builders replicate most of the cosmetic stuff people do to full-size vehicles—swap wheels, repaint shells, widen tracks, extend fenders, ...