Segment Series are mainline subseries which can be consist out of groups of 4, 5, 6 or 10 models. These models are grouped together using a something they have in common (i.e. Then and Now, exotic models, supercars). For the years of 2007 and 2008, the Segment Series were called Teams. An example of Segment Series can be found on List of 2017 Hot Wheels (by Series).