diff --git a/src/lib.rs b/src/lib.rs
index fec9a14..8ca5c38 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,6 +4,7 @@ pub mod palette;
 pub mod image;
 pub mod mocks;
 pub mod position;
+pub mod sprite;
 pub mod tile;
 
 use colour::Colour;
@@ -11,6 +12,7 @@ use dialogue::Dialogue;
 use palette::Palette;
 use image::Image;
 use position::Position;
+use sprite::Sprite;
 use tile::Tile;
 
 #[derive(Debug, Eq, PartialEq)]
@@ -25,16 +27,6 @@ pub struct ExitInstance {
     exit: Exit,
 }
 
-#[derive(Debug, Eq, PartialEq)]
-pub struct Sprite {
-    id: String, // lowercase base36
-    name: Option<String>,
-    animation_frames: Vec<Image>,
-    dialogue: Option<String>, /// dialogue id
-    room: String, /// room id
-    position: Position,
-}
-
 /// avatar is a "sprite" in the game data but with a specific id
 #[derive(Debug, Eq, PartialEq)]
 pub struct Avatar {
@@ -98,33 +90,6 @@ pub struct Game {
     variables: Vec<Variable>,
 }
 
-fn example_sprite() -> Sprite {
-    Sprite {
-        id: "a".to_string(),
-        name: Some("hatch".to_string()),
-        animation_frames: vec![
-            Image {
-                pixels: vec![
-                    0,0,0,0,0,0,0,0,
-                    0,1,1,1,1,0,0,0,
-                    0,1,0,0,1,0,0,0,
-                    0,0,1,1,1,1,0,0,
-                    0,0,1,1,1,1,0,0,
-                    0,1,0,1,1,1,1,0,
-                    0,1,0,1,1,1,1,0,
-                    0,1,1,0,1,1,1,1,
-                ]
-            }
-        ],
-        dialogue: Some("SPR_0".to_string()),
-        room: "4".to_string(),
-        position: Position {
-            x: 9,
-            y: 7
-        }
-    }
-}
-
 fn example_item() -> Item {
     Item {
         id: "6".to_string(),
@@ -403,79 +368,6 @@ fn test_avatar_to_string() {
     assert_eq!(mocks::avatar().to_string(), include_str!("../test/resources/avatar"));
 }
 
-impl From<String> for Sprite {
-    fn from(string: String) -> Sprite {
-        let mut lines: Vec<&str> = string.lines().collect();
-
-        let id = lines[0].replace("SPR ", "");
-        let mut name = None;
-        let mut dialogue = None;
-        let mut room: Option<String> = None;
-        let mut position: Option<Position> = None;
-
-        for _ in 0..3 {
-            let last_line = lines.pop().unwrap();
-
-            if last_line.starts_with("NAME") {
-                name = Some(last_line.replace("NAME ", "").to_string());
-            } else if last_line.starts_with("DLG") {
-                dialogue = Some(last_line.replace("DLG ", "").to_string());
-            } else if last_line.starts_with("POS") {
-                let last_line = last_line.replace("POS ", "");
-                let room_position: Vec<&str> = last_line.split(' ').collect();
-                room = Some(room_position[0].to_string());
-                position = Some(Position::from(room_position[1].to_string()));
-            } else {
-                lines.push(last_line);
-                break;
-            }
-        }
-
-        let room = room.unwrap();
-        let position = position.unwrap();
-
-        // todo dedupe
-        let animation_frames = lines[1..].join("");
-        let animation_frames: Vec<&str> = animation_frames.split("\n>\n").collect();
-        let animation_frames: Vec<Image> = animation_frames.iter().map(|&frame| {
-            Image::from(frame.to_string())
-        }).collect();
-
-        Sprite { id, name, animation_frames, dialogue, room, position }
-    }
-}
-
-#[test]
-fn test_sprite_from_string() {
-    let output = Sprite::from(
-        include_str!("../test/resources/sprite").to_string()
-    );
-
-    let expected = example_sprite();
-    
-    assert_eq!(output, expected);
-}
-
-impl ToString for Sprite {
-    #[inline]
-    fn to_string(&self) -> String {
-        format!(
-            "SPR {}\n{}{}{}\nPOS {} {}",
-            self.id,
-            self.animation_frames.to_string(),
-            if self.name.as_ref().is_some() { format!("\nNAME {}", self.name.as_ref().unwrap()) } else { "".to_string() },
-            if self.dialogue.as_ref().is_some() { format!("\nDLG {}", self.dialogue.as_ref().unwrap()) } else { "".to_string() },
-            self.room,
-            self.position.to_string(),
-        )
-    }
-}
-
-#[test]
-fn test_sprite_to_string() {
-    assert_eq!(example_sprite().to_string(), include_str!("../test/resources/sprite").to_string());
-}
-
 impl From<String> for Item {
     fn from(string: String) -> Item {
         let mut lines: Vec<&str> = string.lines().collect();
diff --git a/src/mocks.rs b/src/mocks.rs
index 75991b6..ec68e79 100644
--- a/src/mocks.rs
+++ b/src/mocks.rs
@@ -1,5 +1,5 @@
-use crate::{Avatar, Position};
-use crate::image::Image;
+use crate::{Avatar, Image, Position};
+use crate::sprite::Sprite;
 
 pub mod image {
     use crate::image::Image;
@@ -67,3 +67,30 @@ pub fn avatar() -> Avatar {
         position: Position { x: 2, y: 5 }
     }
 }
+
+pub(crate) fn sprite() -> Sprite {
+    Sprite {
+        id: "a".to_string(),
+        name: Some("hatch".to_string()),
+        animation_frames: vec![
+            Image {
+                pixels: vec![
+                    0,0,0,0,0,0,0,0,
+                    0,1,1,1,1,0,0,0,
+                    0,1,0,0,1,0,0,0,
+                    0,0,1,1,1,1,0,0,
+                    0,0,1,1,1,1,0,0,
+                    0,1,0,1,1,1,1,0,
+                    0,1,0,1,1,1,1,0,
+                    0,1,1,0,1,1,1,1,
+                ]
+            }
+        ],
+        dialogue: Some("SPR_0".to_string()),
+        room: "4".to_string(),
+        position: Position {
+            x: 9,
+            y: 7
+        }
+    }
+}
diff --git a/src/sprite.rs b/src/sprite.rs
new file mode 100644
index 0000000..fc9589d
--- /dev/null
+++ b/src/sprite.rs
@@ -0,0 +1,87 @@
+use crate::AnimationFrames;
+use crate::image::Image;
+use crate::position::Position;
+use crate::mocks;
+
+#[derive(Debug, Eq, PartialEq)]
+pub struct Sprite {
+    pub(crate) id: String, // lowercase base36
+    pub(crate) name: Option<String>,
+    pub(crate) animation_frames: Vec<Image>,
+    pub(crate) dialogue: Option<String>, /// dialogue id
+    pub(crate) room: String, /// room id
+    pub(crate) position: Position,
+}
+
+impl From<String> for Sprite {
+    fn from(string: String) -> Sprite {
+        let mut lines: Vec<&str> = string.lines().collect();
+
+        let id = lines[0].replace("SPR ", "");
+        let mut name = None;
+        let mut dialogue = None;
+        let mut room: Option<String> = None;
+        let mut position: Option<Position> = None;
+
+        for _ in 0..3 {
+            let last_line = lines.pop().unwrap();
+
+            if last_line.starts_with("NAME") {
+                name = Some(last_line.replace("NAME ", "").to_string());
+            } else if last_line.starts_with("DLG") {
+                dialogue = Some(last_line.replace("DLG ", "").to_string());
+            } else if last_line.starts_with("POS") {
+                let last_line = last_line.replace("POS ", "");
+                let room_position: Vec<&str> = last_line.split(' ').collect();
+                room = Some(room_position[0].to_string());
+                position = Some(Position::from(room_position[1].to_string()));
+            } else {
+                lines.push(last_line);
+                break;
+            }
+        }
+
+        let room = room.unwrap();
+        let position = position.unwrap();
+
+        // todo dedupe
+        let animation_frames = lines[1..].join("");
+        let animation_frames: Vec<&str> = animation_frames.split("\n>\n").collect();
+        let animation_frames: Vec<Image> = animation_frames.iter().map(|&frame| {
+            Image::from(frame.to_string())
+        }).collect();
+
+        Sprite { id, name, animation_frames, dialogue, room, position }
+    }
+}
+
+impl ToString for Sprite {
+    #[inline]
+    fn to_string(&self) -> String {
+        format!(
+            "SPR {}\n{}{}{}\nPOS {} {}",
+            self.id,
+            self.animation_frames.to_string(),
+            if self.name.as_ref().is_some() { format!("\nNAME {}", self.name.as_ref().unwrap()) } else { "".to_string() },
+            if self.dialogue.as_ref().is_some() { format!("\nDLG {}", self.dialogue.as_ref().unwrap()) } else { "".to_string() },
+            self.room,
+            self.position.to_string(),
+        )
+    }
+}
+
+#[test]
+fn test_sprite_from_string() {
+    let output = Sprite::from(
+        include_str!("../test/resources/sprite").to_string()
+    );
+
+    let expected = mocks::sprite();
+
+    assert_eq!(output, expected);
+}
+
+#[test]
+fn test_sprite_to_string() {
+    assert_eq!(mocks::sprite().to_string(), include_str!("../test/resources/sprite").to_string());
+}