sketchatoy eight from sketchatoy on Vimeo.
Hope this tutorial helped! I would recommend sketch book for drawing these little wooden toys, simply because you can use the templates to have nice clean lines like you would see in the final product.
Another useful feature in digital sketching is the maneuverability you have. I sketched this on paper then cleaned it up in sketchbook, once the sketch in completed you can rotate it until you get an interesting angle then continue to work the sketch.
I am simply not a transportation designer, but I wanted another example so here's my fire engine.
