But it doesn't go well under water..
This is a model of the "Enrico Toti" submarine which can be visited at the Museum of Science and Technology (Museo della Scienza e Tecnologia) in Milano.
[ http://www.museoscienza.org/english/dep ... marine.asp ]
The Geomag model is on display in the museum store. It is built from:
550 spheres
1700 bars
800 square panels and
100 triangle panels.