This model kit is not to scale. Each building is designed to be 25mm (1 Inch) long. They are designed to be used for a strategic diorama / sand table where scale is not as important as the layout of multiple buildings.
The six buildings in this set include; 2x Concrete wharfs with cranes and buildings, 1x lighthouse with breakwater, 1x twin dock, 1x fuel tank farm, and 1x submarine pen.