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; 1x Dome RADAR Site, 1x Dish RADAR Site, 1x ICBM Missile Site, 1x Command Bunker Complex, 1x Large Headquaters Building and a Long Range Over-the-horizon RADAR site..