Ground Traps Pack is part of the Dungeon of Doom series. It is made of "Dwarvenite" and includes some metal and magnetized parts. The Floor Trap - Spikes and Boulder Ramp with Trigger are made with Dwarvenite G. 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. Ground Traps Pack comes with these 14 pieces: (6) False Floor Lid (2) Floor Trap - Spikes (2) Floor Trap - Open Hole (2) Floor Trap - Snake Pit (1) Giant Boulder (1) Boulder Ramp with Trigger