diff --git a/src/building/java/net/remmintan/mods/minefortress/blocks/building/FortressBuildingBlockEntity.kt b/src/building/java/net/remmintan/mods/minefortress/blocks/building/FortressBuildingBlockEntity.kt
index 0e2ac020..21f6b917 100644
--- a/src/building/java/net/remmintan/mods/minefortress/blocks/building/FortressBuildingBlockEntity.kt
+++ b/src/building/java/net/remmintan/mods/minefortress/blocks/building/FortressBuildingBlockEntity.kt
@@ -26,7 +26,7 @@ import net.remmintan.mods.minefortress.core.interfaces.automation.area.IAutomati
 import net.remmintan.mods.minefortress.core.interfaces.automation.area.IAutomationBlockInfo
 import net.remmintan.mods.minefortress.core.interfaces.blueprints.ProfessionType
 import net.remmintan.mods.minefortress.core.interfaces.buildings.IFortressBuilding
-import net.remmintan.mods.minefortress.gui.BuildingScreenHandler
+import net.remmintan.mods.minefortress.gui.building.BuildingScreenHandler
 import java.time.LocalDateTime
 import java.util.*
 
diff --git a/src/gui/kotlin/net/remmintan/mods/minefortress/gui/BuildingScreen.kt b/src/gui/kotlin/net/remmintan/mods/minefortress/gui/BuildingScreen.kt
deleted file mode 100644
index 9b610e0f..00000000
--- a/src/gui/kotlin/net/remmintan/mods/minefortress/gui/BuildingScreen.kt
+++ /dev/null
@@ -1,23 +0,0 @@
-package net.remmintan.mods.minefortress.gui
-
-import net.minecraft.client.gui.DrawContext
-import net.minecraft.client.gui.screen.ingame.HandledScreen
-import net.minecraft.entity.player.PlayerInventory
-import net.minecraft.text.Text
-import net.minecraft.util.Identifier
-
-class BuildingScreen(handler: BuildingScreenHandler, playerInventory: PlayerInventory, title: Text) :
-    HandledScreen<BuildingScreenHandler>(handler, playerInventory, title) {
-
-
-
-    override fun drawBackground(context: DrawContext?, delta: Float, mouseX: Int, mouseY: Int) {
-
-    }
-
-    companion object {
-        val TEXTURE = Identifier("textures/gui/container/creative_inventory/tabs.png")
-        const val TAB_TEXTURE_PREFIX: String = "textures/gui/container/creative_inventory/tab_"
-    }
-
-}
\ No newline at end of file
diff --git a/src/gui/kotlin/net/remmintan/mods/minefortress/gui/FortressHandledScreens.kt b/src/gui/kotlin/net/remmintan/mods/minefortress/gui/FortressHandledScreens.kt
index 861b6899..8aeecdd4 100644
--- a/src/gui/kotlin/net/remmintan/mods/minefortress/gui/FortressHandledScreens.kt
+++ b/src/gui/kotlin/net/remmintan/mods/minefortress/gui/FortressHandledScreens.kt
@@ -7,6 +7,8 @@ import net.minecraft.registry.Registry
 import net.minecraft.resource.featuretoggle.FeatureFlags
 import net.minecraft.screen.ScreenHandlerType
 import net.minecraft.util.Identifier
+import net.remmintan.mods.minefortress.gui.building.BuildingScreen
+import net.remmintan.mods.minefortress.gui.building.BuildingScreenHandler
 
 val BUILDING_SCREEN_HANDLER_TYPE: ScreenHandlerType<BuildingScreenHandler> = Registry.register(
     Registries.SCREEN_HANDLER,
diff --git a/src/gui/kotlin/net/remmintan/mods/minefortress/gui/building/BuildingScreen.kt b/src/gui/kotlin/net/remmintan/mods/minefortress/gui/building/BuildingScreen.kt
new file mode 100644
index 00000000..eee5b396
--- /dev/null
+++ b/src/gui/kotlin/net/remmintan/mods/minefortress/gui/building/BuildingScreen.kt
@@ -0,0 +1,45 @@
+package net.remmintan.mods.minefortress.gui.building
+
+import net.minecraft.client.gui.DrawContext
+import net.minecraft.client.gui.screen.ingame.HandledScreen
+import net.minecraft.entity.player.PlayerInventory
+import net.minecraft.text.Text
+import net.minecraft.util.Identifier
+
+class BuildingScreen(handler: BuildingScreenHandler, playerInventory: PlayerInventory, title: Text) :
+    HandledScreen<BuildingScreenHandler>(handler, playerInventory, title) {
+
+
+    override fun drawBackground(context: DrawContext?, delta: Float, mouseX: Int, mouseY: Int) {
+        context?.let {
+            handler.tabs.forEach { tab -> renderTabIcon(it, tab) }
+            it.drawTexture(BACKGROUND_TEXTURE, x, y, 0, 0, backgroundWidth, backgroundHeight)
+        }
+    }
+
+    private fun renderTabIcon(context: DrawContext, tab: BuildingScreenTab) {
+        val u = tab.column * 26
+        val v = if (tab === handler.selectedTab) 32 else 0
+        val x: Int = this.x + tab.tabX
+        val y = this.y - 28
+
+        context.drawTexture(TABS_TEXTURE, x, y, u, v, 26, 32)
+
+        context.matrices.push()
+        context.matrices.translate(0.0f, 0.0f, 100.0f)
+
+        val iconX = x + 5
+        val iconY = y + 9
+        context.drawItem(tab.icon, iconX, iconY)
+        context.drawItemInSlot(textRenderer, tab.icon, iconX, iconY)
+
+        context.matrices.pop()
+    }
+
+
+    companion object {
+        val TABS_TEXTURE = Identifier("textures/gui/container/creative_inventory/tabs.png")
+        val BACKGROUND_TEXTURE = Identifier("textures/gui/demo_background.png")
+    }
+
+}
\ No newline at end of file
diff --git a/src/gui/kotlin/net/remmintan/mods/minefortress/gui/BuildingScreenHandler.kt b/src/gui/kotlin/net/remmintan/mods/minefortress/gui/building/BuildingScreenHandler.kt
similarity index 52%
rename from src/gui/kotlin/net/remmintan/mods/minefortress/gui/BuildingScreenHandler.kt
rename to src/gui/kotlin/net/remmintan/mods/minefortress/gui/building/BuildingScreenHandler.kt
index fcf2ea56..8d77c668 100644
--- a/src/gui/kotlin/net/remmintan/mods/minefortress/gui/BuildingScreenHandler.kt
+++ b/src/gui/kotlin/net/remmintan/mods/minefortress/gui/building/BuildingScreenHandler.kt
@@ -1,16 +1,26 @@
-package net.remmintan.mods.minefortress.gui
+package net.remmintan.mods.minefortress.gui.building
 
 import net.minecraft.entity.player.PlayerEntity
 import net.minecraft.item.ItemStack
+import net.minecraft.item.Items
 import net.minecraft.screen.ArrayPropertyDelegate
 import net.minecraft.screen.PropertyDelegate
 import net.minecraft.screen.ScreenHandler
+import net.remmintan.mods.minefortress.core.isClientInFortressGamemode
+import net.remmintan.mods.minefortress.gui.BUILDING_SCREEN_HANDLER_TYPE
 
 class BuildingScreenHandler(
     syncId: Int,
     propertyDelegate: PropertyDelegate = ArrayPropertyDelegate(3)
 ) : ScreenHandler(BUILDING_SCREEN_HANDLER_TYPE, syncId) {
 
+    val tabs = listOf(
+        BuildingScreenTab(Items.COBBLESTONE, 0),
+        BuildingScreenTab(Items.PLAYER_HEAD, 1),
+        BuildingScreenTab(Items.DIAMOND, 2),
+    )
+    var selectedTab = tabs[0]
+
     init {
         addProperties(propertyDelegate)
     }
@@ -19,7 +29,6 @@ class BuildingScreenHandler(
         return ItemStack.EMPTY
     }
 
-    override fun canUse(player: PlayerEntity?): Boolean = true
-
+    override fun canUse(player: PlayerEntity?): Boolean = isClientInFortressGamemode()
 
 }
\ No newline at end of file
diff --git a/src/gui/kotlin/net/remmintan/mods/minefortress/gui/building/BuildingScreenTab.kt b/src/gui/kotlin/net/remmintan/mods/minefortress/gui/building/BuildingScreenTab.kt
new file mode 100644
index 00000000..c83803f9
--- /dev/null
+++ b/src/gui/kotlin/net/remmintan/mods/minefortress/gui/building/BuildingScreenTab.kt
@@ -0,0 +1,9 @@
+package net.remmintan.mods.minefortress.gui.building
+
+import net.minecraft.item.Item
+import net.minecraft.item.ItemStack
+
+class BuildingScreenTab(icon: Item, val column: Int) {
+    val tabX = 27 * column
+    val icon = ItemStack(icon)
+}
\ No newline at end of file