User Summary: The Royal Stronghold is part of the Castle Builder System. It is made of "Dwarvenite" and includes some metal and magnetized parts. Some parts have LED circuitry (switch, battery, and socket) to support LED lighting attachments. Some parts lighted by an LED. This item was initially available as a pledge level during the Castle Builder System Kickstarter. The item comes in both painted and unpainted versions. CBS parts are from the City Builder System series. The Royal Stronghold comes with these 479 pieces: (8) Tower Stairs - Right (8) Tower Stairs - Left (18) Tower Floor (6) Tower 3/4 Floor (4) Tower Floor w/ Trapdoor (4) Small Lattice Trapdoor (56) Floor Extension (16) 6in Tower Arrowslit Wall (16) 6in Tower Solid Wall (2) 6in Tower Twin Doorway Wall (6) Latticed Door (2) 6in Tower Doorway Wall (4) 6in Tower Palace Window Wall (12) 6in Tower Half - Arrowslit (4) 6in Tower Half - Solid (8) 4in Tower Window Wall (4) 4in Tower Arrowslit Wall (2) 4in Tower Doorway Wall (2) 4in Tower Solid Wall (2) Curved Stone Stairs (2) Door Insert Wall (2) Castle Door (4) Solid Insert Wall (4) 3/4 Solid Insert Wall (8) Solid Wall (5) Arrowslit Wall (2) Long Arrowslit Wall & Spacer (2) Corner Arrowslit Wall - Right (2) Corner Arrowslit Wall - Left (4) Corner Cutout Wall - Right (4) Corner Cutout Wall - Left (3) Insert Slot Wall (4) 6in Tower 3/4 Roof Platform (4) 6in Tower Roof Platform (16) Large Curved Battlement (2) Round Roof (2) Cone Point (2) Crow's Nest (2) CBS - Dwarven Pillar (1) CBS - Solid Stone Floor (4) CBS - Stone Gargoyle Post (2) CBS - Stone Double Corner Post (3) CBS - Abbey Window Wall (1) CBS - Stone Studded Door (1) 2x4 CBS Stone Floor (2) CBS - Short Solid Wall (2) CBS - Stone Torch Wall (2) CBS - Arch Wall (2) 8x8 Flagstone Floor (3) 4x4 Flagstone Floor (2) 1x6 Flagstone Floor (2) 1x2 Flagstone Floor (4) 2x2 Flagstone Floor (1) Gatehouse Floor (1) Drawbridge Arch Wall (1) Wooden Drawbridge (2) LED Sconce Brazier (1) Double Door Arch Wall (1) Gatehouse Double Doors - Left (1) Gatehouse Double Doors - Right (2) Elevation Half Block (14) Cube Spacer (8) Stone Stairs (12) Short Stairs (2) CBS - Lighted Brazier (6) CBS - Ladder (4) CBS - Crenellated Straight Wall (6) Accessory Slot Crenellation (6) High Crenellated Corner (14) Rampart Crenellation (4) Right Indent Crenellation (4) Left Indent Crenellation (2) Corner Battlement (6) Straight Battlement (2) Battlement Transition - Right (2) Battlements Transition - Left (2) LED Socket Pillar (2) LED Lantern (2) Flag C - Rectangle (4) Arbalest (4) Wooden Pole Stand (2) Perched Gargoyle (2) Hanging Lion Gargoyle (8) Oil Cauldron (10) Wood Shutter (2) Iron Scaled Shutter (4) Barrel of Arrows (1) Coal Pit Floor Cover (1) LED Illuminated Floor (2) Corner Wall Transition Platform (8) Wall Platform (4) 4x4 Roof Platform (2) 4x8 Roof Platform (5) Wall Spacer (6) Corner Spacer (8) Inside Corner Wall (2) Dungeon Corner Post (4) 6in Tower LED Socket Solid Wall (4) LED Torch