Color:

The engineering vehicle is photographed in multiples of 4 (naked)

The sanitation vehicle is photographed in multiples of 4 (naked)

4 engineering vehicles (card head bag)

4 sanitation vehicles (in card head bags)

4 engineering vehicles (color boxed)

4 sanitation vehicles (color boxed)

8 engineering vehicles (color box)

8 sanitation vehicles (color boxed)