The Marco Polo is not a running prototype, rather the design is only a painted plastic model for aerodynamic research. The Lamborghini badge on the nose of the car was not to imply any design program undertaken with the factory but was a compliment paid by Giugiaro to the famous manufacturer that became noteworthy for pushing the limits of automotive design.
The Marco Polo is not a working prototype; it's a painted plastic model designed solely for aerodynamic studies. The Lamborghini logo on the car was a gesture of appreciation by Giugiaro towards the company, which is famous for pushing the boundaries of automobile design.