Citadel / Grand Citadel Double Thick Wall Pack (Painted)Combines with Citadel Grand Citadel Inside Walls to double the thickness of the walls of a Citadel or Grand Citadel Expert Pledge. Create massive walls with a full 3" wide interior playable space! Magnetic spacer cubes and square roof platforms are also extremely useful in other creative builds. Note: If you double your Citadel Grand Citadel Walls, the Courtyard Floors set is also recommended for ideal coverage of the reduced courtyard space. This set