3d model of a hollow morris minor for pedal car

I wanted to produce the shell of a morris minor 1000 a picture of the morris is this: Http://[login to view URL] I'd basically be getting a hole in the top of the roof just like that vw kombi with windows slightly thinner material just like the kombi with the interior non existent.. Where it would differ is that I'd love to be able to get the bonnet, boot and hinges for the bonnet and boot done separately so they could open and close.. I'd also like a shelf for a seat.. I'd love the end result to look something like this Http://[login to view URL] But you need not worry about the hinges just the overall shell and then a separate bonnet and boot at that scale.. I'd be getting it fibreglass cast in the end I was hoping the finished product would be around 70cm tall kind of looking to achieve something like this: [login to view URL] I