The Industrial Terrain from GrimDark Terrain is compatible with 6-8 mm Epic Sci-Fi games. It fits perfectly into your terrain. Whether Warhammer 40K or other sci-fi tabletop games, it simply fits many settings.The Ares Orbital Defense Rocket Silo consists of 9 parts and measures about 100x100x50mm.We havemany other terrain models and also Greebles/Bitz on offer. Just have a look around.