What will xenos city look like? we dont know but this may be a choice of tiles with many different details to make them unique.
Choose the set you need depending on the size of the bases.
5x25mm + 2x40mm +1x55mm, all flat and standart designs
Step Set SMALL:
10x25mm double layer and different designs
Step Set LARGE:
2x40mm + 1x55mm double layer with different designs
20x25mm with 5 different designs.