Passage Walls Pack is part of the Dungeon of Doom series. It is made of "Dwarvenite" and includes some metal and magnetized parts. This item was initially available as an add-on pack during the Dungeon of Doom Kickstarter. The item comes in both painted and unpainted versions. Passage Walls Pack comes with these 50 pieces: (12) Passage Wall (6) Passage Wall (Magnetic) (16) Passage Short Wall (8) Passage Inside Corner (8) Passage Outside Corner