The Imperial Rome 18 mm Starter Pack contains 461 characters on 6 sprues and a PDF set of wargaming rules for battles written by Andy Callan. The PDF rules will be available on your site account in the download section right after you place the order. The author has written the Starter Pack rules, with generic "barbarian" armies so that you can purchase any of the three versions of Romans vs. either Britons, Germans, or Dacians.
Here are the armies included in the Starter Pack:
Two units of Legionaries (Heavy armoured Infantry)
Two Units of Open Order Auxiliary Light Infantry
One unit of Close Order Auxiliary Archers
One unit of Auxiliary Cavalry
Two Scorpion Catapults
One mounted officer and a Cavalry Command group
The Roman Army has a total of 34 bases (including the General)
Rome Enemies (Britons):
Four Warbands (Close-order Medium Infantry)
Two units of Skirmishers (Javelin men)
Two units of Light Cavalry
One Mounted Chief and Cavalry escort
The Rome Enemies army has 44 bases (including the Commander).