Narrow Passage Pack

User Summary: The Narrow Passage Pack is made of "Dwarvenite" and expands the Cavern Base Set. This pack was initially available as an Add-On pack to the Cavern Kickstarter. The Narrow Passage Pack comes complete with these 18 pieces: (1) Boulder (3) Corner A (10) Passage (2) Passage, 45 Degree (1) Passage, End Cap (1) Ramp