“A Swiss company claims to have developed the world’s first submersible car,
directly inspired by James Bond’s Lotus in The Spy Who Loved Me.

Named the sQuba, the vehicle promises to be able to drive on land, float on
the surface of the water and also dive to a depth of 10m (33ft).”

See a photo of the design, and read more about the car here :
http://driving.timesonline.co.uk/tol/life_and_style/driving/news/article3368448.ece

And if this idea seems all washed up, take a look @ this full-scale replica of a Formula One car done in 956,000 matchsticks.
http://www.techeblog.com/index.php/tech-gadget/pictures-artist-builds-
full-sized-f1-car-using-956-000-matchsticks