This was first entity pack (created with Entity Workshop), so it's now FREE! This pack contains 107 entities: 3 types of arcs - 9 different heights for each type = 27 Arcs. 4 structural types - 9 different widths for each type = 36 Structurals. 16 wall structural types- 2 different sizes for each type = 32 Wall Structurals. 3 types of stones - 4 different sizes for each type = 12 Stones.