diff --git a/engine/world_generation/src/hex_utils.rs b/engine/world_generation/src/hex_utils.rs
index c959c1f..c2441c4 100644
--- a/engine/world_generation/src/hex_utils.rs
+++ b/engine/world_generation/src/hex_utils.rs
@@ -1,5 +1,6 @@
 use crate::prelude::Chunk;
 use bevy::prelude::*;
+use serde::{Deserialize, Serialize};
 
 pub const OUTER_RADIUS: f32 = 1.;
 pub const INNER_RADIUS: f32 = OUTER_RADIUS * (SQRT_3 / 2.);
@@ -56,7 +57,7 @@ pub fn get_tile_count(radius: usize) -> usize {
 	return 1 + 3 * (radius + 1) * radius;
 }
 
-#[derive(Default, Debug, Clone, Copy, Eq, PartialEq)]
+#[derive(Default, Debug, Clone, Copy, Eq, PartialEq, Serialize, Deserialize)]
 pub struct HexCoord {
 	pub hex: IVec3,
 }
diff --git a/game/buildings/src/build_queue.rs b/game/buildings/src/build_queue.rs
new file mode 100644
index 0000000..324b36e
--- /dev/null
+++ b/game/buildings/src/build_queue.rs
@@ -0,0 +1,20 @@
+use shared::building::BuildingIdentifier;
+use world_generation::hex_utils::HexCoord;
+
+pub struct BuildQueue {
+	pub queue: Vec<QueueEntry>,
+}
+
+impl Default for BuildQueue {
+	fn default() -> Self {
+		Self {
+			queue: Default::default(),
+		}
+	}
+}
+
+#[derive(PartialEq, Eq)]
+pub struct QueueEntry {
+	pub building: BuildingIdentifier,
+	pub pos: HexCoord,
+}
diff --git a/game/buildings/src/lib.rs b/game/buildings/src/lib.rs
index 6242561..7cb53fb 100644
--- a/game/buildings/src/lib.rs
+++ b/game/buildings/src/lib.rs
@@ -1,6 +1,6 @@
 pub mod assets;
+pub mod build_queue;
 pub mod building_plugin;
 pub mod buildings_database;
 pub mod footprint;
-
 pub use building_plugin::*;
diff --git a/game/shared/src/building.rs b/game/shared/src/building.rs
new file mode 100644
index 0000000..21617dc
--- /dev/null
+++ b/game/shared/src/building.rs
@@ -0,0 +1,4 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Default, PartialEq, Eq, Serialize, Deserialize)]
+pub struct BuildingIdentifier(u32);
diff --git a/game/shared/src/lib.rs b/game/shared/src/lib.rs
index d3c0f71..d317d7e 100644
--- a/game/shared/src/lib.rs
+++ b/game/shared/src/lib.rs
@@ -1,3 +1,4 @@
+pub mod building;
 pub mod despawn;
 pub mod resource;
 pub mod states;