For something a little different, build this car playhouse for hours of fun. Free plans are at the link.
Build a set of toy cars and trucks for a child to play with using these free instructions.
Build wooden toys using these free templates and instructions. Included are the pickup truck, car and bus.
This is a link to a Google 3D SketchUp drawing for a toy Model T car. You will need the SketchUp software to download this drawing and its freely available online.
This is a cute VW Beetle car project, that takes a little thought, I had problems making the first set of fenders, I think I can cut through some of the trial and error for you. For material, I used walnut for the body and ash for the fenders.
Here is a really nice car and trailer that is easy to make and durable.
Here is a really nice hatchback toy car that is easy to make and durable.
Build a battery powered sidewalk ride-on car from one of three different plans. Scale models of classic-style cars.