diff --git a/src/main.rs b/src/main.rs
index 67312de..d635804 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,7 @@
 mod polygon_draw;
 
+use std::{fs, io};
+
 use iced::{
     Color, Element, Task, Theme,
     time::{self, Duration},
@@ -30,6 +32,7 @@ enum Message {
     ChangeTeta(usize, f32),
     Remove(usize),
     ChangeColor(usize, String),
+    ChangeSound(usize, String),
 }
 
 struct MyApp {
@@ -72,52 +75,61 @@ impl MyApp {
             }
             Message::AddPolygon(s) => {
                 let mut poly: Polygon;
-                match s.as_str() {
-                    "Segment" => {
-                        poly = Polygon::segment(0.0, self.default_sound.clone());
-                        poly.name = "Segment".to_string();
+                if s.starts_with("Ngon") {
+                    if let Ok(sides) = s.trim_start_matches("Ngon").parse::<u8>() {
+                        poly = Polygon::n_gon(0.0, sides, self.default_sound.clone());
+                        poly.name = format!("Ngon_{}", sides);
+                    } else {
+                        return;
                     }
-                    "Triangle" => {
-                        poly = Polygon::triangle(0.0, self.default_sound.clone());
-                        poly.name = "Triangle".to_string();
+                } else {
+                    match s.as_str() {
+                        "Segment" => {
+                            poly = Polygon::segment(0.0, self.default_sound.clone());
+                            poly.name = "Segment".to_string();
+                        }
+                        "Triangle" => {
+                            poly = Polygon::triangle(0.0, self.default_sound.clone());
+                            poly.name = "Triangle".to_string();
+                        }
+                        "Square" => {
+                            poly = Polygon::square(0.0, self.default_sound.clone());
+                            poly.name = "Square".to_string();
+                        }
+                        "Nr6In30" => {
+                            poly = Polygon::nr_6_in_30(0.0, self.default_sound.clone());
+                            poly.name = "Nr6In30".to_string();
+                        }
+                        "Nr7In30" => {
+                            poly = Polygon::nr_7_in_30(0.0, self.default_sound.clone());
+                            poly.name = "Nr7In30".to_string();
+                        }
+                        "Nr8In30" => {
+                            poly = Polygon::nr_8_in_30(0.0, self.default_sound.clone());
+                            poly.name = "Nr8In30".to_string();
+                        }
+                        "Nr9In30" => {
+                            poly = Polygon::nr_9_in_30(0.0, self.default_sound.clone());
+                            poly.name = "Nr9In30".to_string();
+                        }
+                        "Nr8In42" => {
+                            poly = Polygon::nr_8_in_42(0.0, self.default_sound.clone());
+                            poly.name = "Nr8In42".to_string();
+                        }
+                        "Nr9In42" => {
+                            poly = Polygon::nr_9_in_42(0.0, self.default_sound.clone());
+                            poly.name = "Nr9In42".to_string();
+                        }
+                        "Nr10aIn42" => {
+                            poly = Polygon::nr_10a_in_42(0.0, self.default_sound.clone());
+                            poly.name = "Nr10aIn42".to_string();
+                        }
+                        "Nr10bIn42" => {
+                            poly = Polygon::nr_10b_in_42(0.0, self.default_sound.clone());
+                            poly.name = "Nr10bIn42".to_string();
+                        }
+                        _ => poly = Polygon::n_gon(0.0, 0, self.default_sound.clone()),
                     }
-                    "Square" => {
-                        poly = Polygon::square(0.0, self.default_sound.clone());
-                        poly.name = "Square".to_string();
-                    }
-                    "Nr6In30" => {
-                        poly = Polygon::nr_6_in_30(0.0, self.default_sound.clone());
-                        poly.name = "Nr6In30".to_string();
-                    }
-                    "Nr7In30" => {
-                        poly = Polygon::nr_7_in_30(0.0, self.default_sound.clone());
-                        poly.name = "Nr7In30".to_string();
-                    }
-                    "Nr8In30" => {
-                        poly = Polygon::nr_8_in_30(0.0, self.default_sound.clone());
-                        poly.name = "Nr8In30".to_string();
-                    }
-                    "Nr9In30" => {
-                        poly = Polygon::nr_9_in_30(0.0, self.default_sound.clone());
-                        poly.name = "Nr9In30".to_string();
-                    }
-                    "Nr8In42" => {
-                        poly = Polygon::nr_8_in_42(0.0, self.default_sound.clone());
-                        poly.name = "Nr8In42".to_string();
-                    }
-                    "Nr9In42" => {
-                        poly = Polygon::nr_9_in_42(0.0, self.default_sound.clone());
-                        poly.name = "Nr9In42".to_string();
-                    }
-                    "Nr10aIn42" => {
-                        poly = Polygon::nr_10a_in_42(0.0, self.default_sound.clone());
-                        poly.name = "Nr10aIn42".to_string();
-                    }
-                    "Nr10bIn42" => {
-                        poly = Polygon::nr_10b_in_42(0.0, self.default_sound.clone());
-                        poly.name = "Nr10bIn42".to_string();
-                    }
-                    _ => poly = Polygon::n_gon(0.0, 0, self.default_sound.clone()),
                 }
                 self.poly_frame.polygons.push(poly);
             }
@@ -157,11 +169,16 @@ impl MyApp {
                 }
                 self.poly_frame.polygons[i].color = c;
             }
+            Message::ChangeSound(i, s) => {
+                self.poly_frame.polygons[i].sound =
+                    StaticSoundData::from_file(s).expect("Fail to load audio")
+            }
         }
     }
 
     fn view(&self) -> iced::Element<Message> {
         let txt_nb_rev = format!("Revolution per second : {}", self.nb_sec_for_rev);
+
         let mut i = 0;
         //Create all polygon options
         let polygon_rows: Vec<Element<Message>> = self
@@ -171,6 +188,11 @@ impl MyApp {
             .map(|polygon| {
                 let current_index = i;
                 i += 1;
+                let entries = fs::read_dir("./assets/")
+                    .unwrap()
+                    .map(|res| res.map(|e| e.path().to_str().unwrap().to_string()))
+                    .collect::<Result<Vec<_>, io::Error>>()
+                    .unwrap();
 
                 row![
                     text(&polygon.name),
@@ -186,10 +208,31 @@ impl MyApp {
                         Some("Color".to_string()),
                         move |s| { Message::ChangeColor(current_index, s) }
                     ),
+                    pick_list(entries, Some("Sound".to_string()), move |s| {
+                        Message::ChangeSound(current_index, s)
+                    }),
                 ]
                 .into()
             })
             .collect();
+        let ngon_options: Vec<String> = (5..=42).map(|sides| format!("Ngon{}", sides)).collect();
+        let all_options: Vec<String> = [
+            "Segment",
+            "Triangle",
+            "Square",
+            "Nr6In30",
+            "Nr7In30",
+            "Nr8In30",
+            "Nr9In30",
+            "Nr8In42",
+            "Nr9In42",
+            "Nr10aIn42",
+            "Nr10bIn42",
+        ]
+        .iter()
+        .map(|s| s.to_string())
+        .chain(ngon_options.into_iter())
+        .collect();
 
         let polygon_column = Column::with_children(polygon_rows);
         column![
@@ -203,25 +246,9 @@ impl MyApp {
                         button("Decrement").on_press(Message::ButtonPressedDecrement),
                     ],
                     text("Polygon options"),
-                    pick_list(
-                        [
-                            "Segment",
-                            "Triangle",
-                            "Square",
-                            "Nr6In30",
-                            "Nr7In30",
-                            "Nr8In30",
-                            "Nr9In30",
-                            "Nr8In42",
-                            "Nr9In42",
-                            "Nr10aIn42",
-                            "Nr10bIn42"
-                        ]
-                        .map(|s| s.to_string())
-                        .to_vec(),
-                        Some("Chose polygon".to_string()),
-                        |s| { Message::AddPolygon(s) }
-                    ),
+                    pick_list(all_options, Some("Choose polygon".to_string()), |s| {
+                        Message::AddPolygon(s)
+                    }),
                     polygon_column,
                 ],
             ]
diff --git a/src/polygon_draw.rs b/src/polygon_draw.rs
index 256d59b..1564d98 100644
--- a/src/polygon_draw.rs
+++ b/src/polygon_draw.rs
@@ -6,11 +6,7 @@ use iced::widget::canvas;
 use iced::widget::canvas::Stroke;
 use iced::widget::canvas::Style;
 use iced::{Color, Rectangle, Renderer, Theme};
-use kira::PlaySoundError;
-use kira::{
-    AudioManager, AudioManagerSettings, DefaultBackend, sound::static_sound::StaticSoundData,
-};
-use std::time::Instant;
+use kira::sound::static_sound::StaticSoundData;
 
 pub trait RotationExt {
     fn rotate(&mut self, teta: f32) -> Self;
@@ -55,6 +51,16 @@ impl<Message> canvas::Program<Message> for PolygonFrame {
         let radius = frame.size().width / 2.0 - 32.0;
         let mut vec = Vector::new(0.0, -radius);
         let c = frame.center();
+        // Draw Circle
+        let circle = canvas::Path::circle(frame.center(), radius);
+        frame.stroke(
+            &circle,
+            Stroke {
+                width: 6.0,
+                style: Style::Solid(Color::from_rgba(0.0, 0.0, 0.0, 1.0)),
+                ..Stroke::default()
+            },
+        );
 
         // Draw all polygons by there points
         for poly in &self.polygons {
@@ -77,16 +83,6 @@ impl<Message> canvas::Program<Message> for PolygonFrame {
             }
         }
 
-        // Draw Circle
-        let circle = canvas::Path::circle(frame.center(), radius);
-        frame.stroke(
-            &circle,
-            Stroke {
-                width: 6.0,
-                style: Style::Solid(Color::from_rgba(0.0, 0.0, 0.0, 1.0)),
-                ..Stroke::default()
-            },
-        );
         // Draw the red dot on the current position
         let dot = canvas::Path::circle(frame.center() + vec.rotate(self.teta), 5.0);
         frame.fill(&dot, Color::from_rgb(1.0, 0.0, 0.0));