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) diagonal walls (and 4 half floors)
(8) piles of rubble
(2) Straight Walls with a sarcophagus
(4) small stairs
(2) large stairs
(4) curved stairs
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.