diff --git a/isometric-park-fna/Components/AreaComponent.cs b/isometric-park-fna/Components/AreaComponent.cs
--- a/isometric-park-fna/Components/AreaComponent.cs
+++ b/isometric-park-fna/Components/AreaComponent.cs
@@ -1,4 +1,3 @@
-
 using Microsoft.Xna.Framework;
 
 using Encompass;
diff --git a/isometric-park-fna/Components/PointComponent.cs b/isometric-park-fna/Components/PointComponent.cs
new file mode 100644
--- /dev/null
+++ b/isometric-park-fna/Components/PointComponent.cs
@@ -0,0 +1,11 @@
+using Microsoft.Xna.Framework;
+
+using Encompass;
+
+namespace isometricparkfna.Components {
+
+    public struct PointComponent : IComponent {
+        public Vector2 Square;
+        public Tool Tool;
+    }
+}
diff --git a/isometric-park-fna/Components/StructureComponent.cs b/isometric-park-fna/Components/StructureComponent.cs
new file mode 100644
--- /dev/null
+++ b/isometric-park-fna/Components/StructureComponent.cs
@@ -0,0 +1,17 @@
+
+using Encompass;
+
+using isometricparkfna.Messages;
+
+namespace isometricparkfna.Components {
+        public enum Structure
+        {
+            None,
+            Tower
+        }
+
+    public struct StructureComponent : IComponent {
+        public Structure Structure;
+        // public DateTime Placed;
+    }
+}
diff --git a/isometric-park-fna/Engines/BuildToolEngine.cs b/isometric-park-fna/Engines/BuildToolEngine.cs
--- a/isometric-park-fna/Engines/BuildToolEngine.cs
+++ b/isometric-park-fna/Engines/BuildToolEngine.cs
@@ -17,13 +17,15 @@
               typeof(AdjustSelection))]
     [Writes(typeof(AreaComponent),
             // typeof(SelectedComponent),
+            typeof(PointComponent),
             typeof(PreserveComponent))]
     [Reads(typeof(SelectedComponent),
            typeof(ContractStatusComponent),
            typeof(AreaComponent),
            typeof(PreserveComponent),
            typeof(SelectedComponent),
-           typeof(ToolComponent))]
+           typeof(ToolComponent),
+           typeof(PointComponent))]
     [Sends(typeof(ChangeContractStatusMessage))]
     public class BuildToolEngine : Engine {
 
@@ -204,6 +206,52 @@
                     }
                 }
             }
+            else if (statuses.ContainsKey(Tool.Tower) && statuses[Tool.Tower]) {
+                foreach (ref readonly var message in ReadMessages<SpawnSelection>())
+                {
+                    if (message.Start.X >= 0 && message.Start.X < this.Map.MapWidth
+                            && message.Start.Y >= 0 && message.Start.Y < this.Map.MapHeight) {
+                        var entity = CreateEntity();
+
+                        AddComponent(entity, new PointComponent {Square = message.Start,
+                                Tool=Tool.Tower});
+                        AddComponent(entity, new SelectedComponent { selected = true, Type= SelectionType.Area});
+                    }
+                }
+
+                foreach (ref readonly var message in ReadMessages<AdjustSelection>()) {
+                    foreach (ref readonly   var entity in ReadEntities<SelectedComponent>()) {
+                        var selection = GetComponent<SelectedComponent>(entity);
+
+                        if (selection.Type == SelectionType.Area
+                                && selection.selected) {
+                            if(message.Type == AdjustmentType.Clear) {
+                                Destroy(entity);
+                            }
+                            else if(message.Type == AdjustmentType.Complete) {
+                                var point = GetComponent<PointComponent>(entity);
+                                var structure_entity = CreateEntity();
+
+                                AddComponent(structure_entity, new PointComponent {Square = point.Square,
+                                        Tool = point.Tool} );
+                                AddComponent(structure_entity, 
+                                        new StructureComponent { Structure = Structure.Tower});
+                                Destroy(entity);
+                                Logging.Success("Placed Tower!");
+
+                            }
+                            else {
+                                var point = GetComponent<PointComponent>(entity);
+                                SetComponent(entity, new PointComponent {Square = message.End,
+                                        Tool = point.Tool});
+                            }
+                        }
+
+                    }
+
+                }
+
+            }
         }
     }
 }
diff --git a/isometric-park-fna/FNAGame.cs b/isometric-park-fna/FNAGame.cs
--- a/isometric-park-fna/FNAGame.cs
+++ b/isometric-park-fna/FNAGame.cs
@@ -318,6 +318,7 @@
         WorldBuilder.AddGeneralRenderer(new AreaRenderer(this.tileBatch, this.monoFont), 1);
         WorldBuilder.AddGeneralRenderer(new ImGuiWindowRenderer(this, this.simulation, this.imGuiWindowBridgeEngine, this.gdm), 2);
         WorldBuilder.AddGeneralRenderer(new CursorRenderer(this.tileBatch, this.monoFont), 3);
+        WorldBuilder.AddGeneralRenderer(new StructureRenderer(this.tileBatch, this.monoFont), 4);
         var contractWindow = WorldBuilder.CreateEntity();
         WorldBuilder.SetComponent(contractWindow, new VisibilityComponent { visible = false });
         WorldBuilder.SetComponent(contractWindow, new WindowTypeComponent { type = isometricparkfna.Messages.Window.Contracts });
diff --git a/isometric-park-fna/Renderers/StructureRenderer.cs b/isometric-park-fna/Renderers/StructureRenderer.cs
new file mode 100644
--- /dev/null
+++ b/isometric-park-fna/Renderers/StructureRenderer.cs
@@ -0,0 +1,40 @@
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+
+using isometricparkfna.UI;
+using isometricparkfna.Components;
+
+using Encompass;
+using SpriteFontPlus;
+
+namespace isometricparkfna.Renderers
+{
+    public class StructureRenderer : GeneralRenderer
+    {
+        private SpriteBatch batch;
+        private SpriteFont font;
+
+        public StructureRenderer(SpriteBatch batch, SpriteFont font)
+        {
+            this.batch = batch;
+            this.font = font;
+        }
+
+        public override void Render()
+        {
+
+
+            foreach (ref readonly var entity in ReadEntities<StructureComponent>()) 
+            {
+                var point = GetComponent<PointComponent>(entity);
+                Tile.drawTileAt(this.batch, (int)point.Square.X, (int)point.Square.Y,
+                        300, 2, 0.79f, Color.White);
+            }
+
+
+
+        }
+    }
+
+
+}
diff --git a/isometric-park-fna/UI/StyleSets.cs b/isometric-park-fna/UI/StyleSets.cs
--- a/isometric-park-fna/UI/StyleSets.cs
+++ b/isometric-park-fna/UI/StyleSets.cs
@@ -34,8 +34,8 @@
             {ImGuiCol.FrameBg, grey},
             {ImGuiCol.FrameBgHovered, grey},
             {ImGuiCol.Header, darkgrey},
-            {ImGuiCol.HeaderHovered, grey},
-            {ImGuiCol.HeaderActive, grey},
+            {ImGuiCol.HeaderHovered, darkgrey},
+            {ImGuiCol.HeaderActive, darkgrey},
             {ImGuiCol.ButtonHovered, grey},
             {ImGuiCol.ButtonActive, darkgrey},
             {ImGuiCol.SliderGrab, darkgrey},