User Summary: The Wicked Cavern 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 waterfalls are a translucent blue dwarvenite with white cotton filament at the base. In the unpainted set, the waterfalls are also a translucent blue dwarvenite and the white filaments is provided for the user to assemble after painting. The Wicked Cavern Pack comes complete with these 17 pieces: (2) Cave-In / Rocky Slope (1) Door, Cavern Secret (1) Entrance, Creature Mouth (2) Lair, Burrowed (2) Passage, Short Burrowed (2) Stalactite Column, Double Height (1) Transition Wall (2) Wall, Critter Hole (4) Waterfall