A must-have accessory for the adventure The U-Boat Mystery!

This accessory pack for The U-Boat Mystery contains three blueprints (a warehouse, the research vessel RV Adonia and the Type IX-C U-boat), and a navigational chart of the Vikraminay strait in Sitomeyang.

Features:

• Includes a navigational chart of the Vikraminay strait and three accurate blueprints for the adventure.
• Explore the Type IX-C U-boat and the research vessel RV Adonia in detail!