Introducing N Unitrack's new series "V track set series" plan variation set that allows even beginners to easily realize layout plans that are "easy to understand" and "easy to buy"! By adding it to the "Starter Set" and "Master Series", you can develop a variety of track plans. You can enjoy more expandable system deployment by referring to the plan variation guide included with the set. Even railroad model beginners can expand the layout plan to their liking. "V3" is a set that allows you to line up vehicles on a detention line together with the starter set and master series.