Help needed!!

In december i'm going to Prague for a week. Also will be one day in Stuttgart. What should I do to make an excursion in Porsche Factory? Should I order an excursion couple of days before coming to Stuttgart, or it's daily excursion??

Will glad to get any information and advices.

Thank you!


2008 Range Rover Sport Supercharged

2007 997 GT3

2006 Mercedes G500

1993 964 Turbo (Sold)