Like all sets from the Master Maze range from Dwarven Forge this modular dungeon set is designed for use with 25 mm minatures, has a 1 inch grid integrated into the floor design, and come fully painted. From the publishers website" The Realm of the Ancients 2 Set is a great expansion to the ancient dungeon/ruin setting that has proven very popular with DF collectors -- the Realm of the Ancients. The pieces include: (4) 6 inch Long Walls (2) 6 inch x 6 inch floors (4) double-doors (4) diagonal walls (and 4 half floors) (8) piles of rubble (2) Straight Walls with a sarcophagus (4) pillars (4) small stairs (2) large stairs (4) curved stairs (2) platforms This is a limited edition set and only 1,500 of these sets will be produced. All of these pieces come pre-painted by hand, and each one of these sets come with a hand-numbered and signed Certificate of Authenticity.