I think I will give this nice looking paper model a try. Take a look...

Height: 9.5" , width: 6", length 19.25"

355 full-color model parts

http://www.disneyexperience.com/models/marktwain_model.php

Nice looking model Best of luck in your build keep us informed of your progress.

                              Old Man

Thanks for posting this link, it looks like a fun model to have a go with!