This is a supplement to the Warhammer 40K 2nd Edition rules. From the box rear: 'This box contains over twenty full colour vehicle datafax including everything from bikes to battle tanks and dreadnoughts. A new deck of vehicle custom cards is also provided to let you individualize and convert your mechanized forces.'This supplement includes 60 psychic cards, 24 vehicle data cards, 8 psychic power templates, 10 vehicle cards, 55 war gear cards, 18 strategy cards, 4 mission cards, 36 warp cards, 9 counters and a Dark Millennium rulebook.Due to the nature of Games Workshop revising their game rules, few of these components are usable in the current edition. - BoardGameGeek