diff --git a/src/card.rs b/src/card.rs
index db78b16..354292a 100644
--- a/src/card.rs
+++ b/src/card.rs
@@ -1,5 +1,7 @@
 //! TODO: module doc :v
 
+use bevy::ecs::component::Component;
+
 /// Value for the "sub tiles" inside a room tile
 #[derive(Clone, Copy, Debug, Default, PartialEq)]
 pub enum Cell {
@@ -47,7 +49,7 @@ pub enum RotationDir {
 
 /// An invidiual room, or "card" in the player's hand. The room may
 /// *or may not* be valid, yet.
-#[derive(Clone, Copy, Debug, Default, PartialEq)]
+#[derive(Clone, Copy, Component, Debug, Default, PartialEq)]
 pub struct Card {
   cells: [Cell; 9],
   nw: bool,
diff --git a/src/game/mod.rs b/src/game/mod.rs
index 41e8717..159a5b7 100644
--- a/src/game/mod.rs
+++ b/src/game/mod.rs
@@ -1,4 +1,3 @@
-
 use bevy::prelude::*;
 
 /// Data component for info about the player's current set of cards.
@@ -7,9 +6,9 @@ use bevy::prelude::*;
 ///
 /// [`Self::low_water_mark`] is the threshold for drawing new cards on-room-enter.
 #[derive(Component)]
-pub struct PlayerHand{
+pub struct PlayerHand {
   cards: Vec<Entity>,
-  capacity: u8, 
+  capacity: u8,
   low_water_mark: u8,
 }
 
@@ -35,4 +34,4 @@ pub mod consumables {
 
   #[derive(Component)]
   pub struct Fuel(u32);
-}
\ No newline at end of file
+}