User Summary: The Mushroom Grotto Core Pack is part of Caverns Deep! Core packs contain the most commonly used terrain pieces, unlike the Adventure Pack which are unique pieces specific to an encounter area set. The Mushroom Grotto Core Pack the basic cavern pieces for Mushroom Grotto Encounter Area. It is made of "Dwarvenite" and includes some metal parts. This item was initially available as an add-on for the Build Your own Cavern pledge level or included in one of the other pledge levels during the Caverns Deep! Kickstarter. The item is available in painted and unpainted versions. Covert Mushroom Grotto Pack comes with these 68 pieces: (2) Straight Wall (2) 1x1 Straight Wall (1) Diagonal Wall (2) Swell Wall Right (2) 1x1 Corner (1) Cascading Pool Corner (7) Flat Floor (2) 1x1 Floor (2) 1x2 Floor (2) Stagnant Puddle Floor (1) Straight Passage (2) 45° Turn Passage (1) Passage Ramp (1) Convex Corner (1) 4x4 Convex Curve (1) Rising Wall Right (1) Rising Wall Left (10) Caverns Stilt 12mm (4) Caverns Stilt 38mm (1) Curved Natural Bridge Base (1) 6x6 Floor (1) Trifecta Right Angle Wall (1) Trifecta Right Angle Ledge (1) Trifecta Long Swell Wall Right (1) Trifecta Long Swell Ledge Right (2) Corner Fill Stalagmite (2) Trifecta Swell Wall Left (2) Trifecta Swell Ledge Left (1) Cavern Double Door Wall (1) Arch Topper (2) Rising Stalagmite (2) Pointy Stalagmite (2) Cave Cliff 2x1 Block (1) Trifecta Corner Ledge (1) Trifecta Corner Wall (1) 4x8 Crystaline/Festering Floor Terrain Tray