diff --git a/source/Trek-12/ConsoleApp/Program.cs b/source/Trek-12/ConsoleApp/Program.cs
index 5f96c6c..930eb61 100644
--- a/source/Trek-12/ConsoleApp/Program.cs
+++ b/source/Trek-12/ConsoleApp/Program.cs
@@ -69,7 +69,7 @@ class Program
     static void OnBoardUpdated(object sender, EventArgs e)
     {
         DisplayBoard(((Game)sender).UsedMap);
-        DisplayOperationTable(((Game)sender).UsedMap.OperationGrid);
+        DisplayOperationTable(((Game)sender).UsedMap.OperationGrid.ToList());
     }
 
     /// <summary>
@@ -92,7 +92,7 @@ class Program
     static void OnOperationChosen(object sender, OperationChosenEventArgs e)
     {
         Console.WriteLine($"Operation: {e.Operation}, Result: {e.Result}");
-        DisplayOperationTable(((Game)sender).UsedMap.OperationGrid);
+        DisplayOperationTable(((Game)sender).UsedMap.OperationGrid.ToList());
         Cell playerChoice = GetPlayerChoice();
         bool test = ((Game)sender).HandlePlayerChoice(playerChoice, e.Result);
         if(!test)
diff --git a/source/Trek-12/Models/Game/Cell.cs b/source/Trek-12/Models/Game/Cell.cs
index 49fe4bb..b2eb151 100644
--- a/source/Trek-12/Models/Game/Cell.cs
+++ b/source/Trek-12/Models/Game/Cell.cs
@@ -24,7 +24,10 @@
         /// <summary>
         /// The fact that the cell is dangerous or not.
         /// </summary>
-        private bool IsDangerous { get; set; }
+        public bool IsDangerous { get; set; }
+
+        public bool Valid { get; set; }
+
 
         /// <summary>
         /// Atribute to know if the cell is a penalty cell.
@@ -41,6 +44,7 @@
         {
             IsDangerous = isDangerous;
             Penalty = false;
+            Valid = false;
         }
 
         /// <summary>
diff --git a/source/Trek-12/Models/Game/Game.cs b/source/Trek-12/Models/Game/Game.cs
index c4f4460..6c732ff 100644
--- a/source/Trek-12/Models/Game/Game.cs
+++ b/source/Trek-12/Models/Game/Game.cs
@@ -176,7 +176,7 @@ namespace Models.Game
         /// <param name="result">The result of the dice operation to be placed in the cell.</param>
         private bool PlaceResult(Cell playerChoice, int result)
         {
-            if (Turn == 1 || GameRules.NearCellIsValid(playerChoice, UsedMap.Boards))
+            if (Turn == 1 || GameRules.NearCellIsValid(playerChoice, UsedMap.Boards.ToList()))
             {
                 for (int i = 0; i < UsedMap.Boards.Count; i++)
                 {
@@ -323,7 +323,7 @@ namespace Models.Game
                 //throw new InvalidCellCoordinatesException("Invalid cell coordinates. Please choose again.");
             }
 
-            if (!GameRules.IsCellValid(cell, UsedMap.Boards))
+            if (!GameRules.IsCellValid(cell, UsedMap.Boards.ToList()))
             {
                 return false;
                 //throw new InvalidCellException("Cell is not valid. Please choose again.");
@@ -336,7 +336,7 @@ namespace Models.Game
                 //throw new InvalidPlaceResultException("Cell is not valid for place result. Please choose again.");
             }
             GameRules.IsZoneValidAndAddToZones(cell, UsedMap);
-            AddToRopePath(cell, GameRules.EveryAdjacentCells(cell, UsedMap.Boards));
+            AddToRopePath(cell, GameRules.EveryAdjacentCells(cell, UsedMap.Boards.ToList()));
             CellChosen?.Invoke(this, new CellChosenEventArgs(cell, result));
             return true;
             //BoardUpdated?.Invoke(this, EventArgs.Empty);
diff --git a/source/Trek-12/Models/Game/Map.cs b/source/Trek-12/Models/Game/Map.cs
index ccc327b..e046601 100644
--- a/source/Trek-12/Models/Game/Map.cs
+++ b/source/Trek-12/Models/Game/Map.cs
@@ -1,4 +1,6 @@
-namespace Models.Game
+using System.Collections.ObjectModel;
+
+namespace Models.Game
 {
 
     /// <summary>
@@ -9,7 +11,8 @@
         /// <summary>
         /// It is the list of cells on the map.
         /// </summary>
-        public List<Cell> Boards { get; private set; }
+        public ReadOnlyObservableCollection<Cell> Boards { get; private set; }
+        ObservableCollection<Cell> board = new ObservableCollection<Cell>();
         
         /// <summary>
         /// It is the backgrond image of the map
@@ -19,7 +22,8 @@
         /// <summary>
         /// It is the grid of the possible operation in the game
         /// </summary>
-        public List<OperationCell> OperationGrid { get; private set; }
+        public ReadOnlyObservableCollection<OperationCell> OperationGrid { get; private set; }
+        ObservableCollection<OperationCell> operationGrid = new ObservableCollection<OperationCell>();
 
         /// <summary>
         /// It is a list of a list containing user's rope paths in the current game
@@ -37,9 +41,11 @@
         /// <param name="background">The background of the map.</param>
         public Map(string background)
         {
-            Boards = InitializeBoards();
+            Boards = new ReadOnlyObservableCollection<Cell>(board);
+            InitializeBoards(board);
             Background = background;
-            OperationGrid = InitializeOperationGrid();
+            OperationGrid = new ReadOnlyObservableCollection<OperationCell>(operationGrid);
+            InitializeOperationGrid(operationGrid);
             RopePaths = new List<List<Cell>>();
             Zones = new List<List<Cell>>();
         }
@@ -48,23 +54,43 @@
         /// Initializes the boards of the map.
         /// </summary>
         /// <returns>Return the boards</returns>
-        private List<Cell> InitializeBoards()
+        private void InitializeBoards(ObservableCollection<Cell> board)
         {
-            var boards = new List<Cell>();
-            for (int i = 0; i < 36; i++) // 6x6 board
+            for (int i = 0; i < 49; i++) // 6x6 board
             {
-                boards.Add(new Cell(i / 6, i % 6));
+                board.Add(new Cell(i / 7, i % 7));
             }
-            return boards;
+            board[1].Valid = true;
+            board[3].Valid = true;
+            board[4].Valid = true;
+            board[5].Valid = true;
+            board[9].Valid = true;
+            board[12].Valid = true;
+            board[15].Valid = true;
+            board[16].Valid = true;
+            board[17].Valid = true;
+            board[21].Valid = true;
+            board[24].Valid = true;
+            board[25].Valid = true;
+            board[28].Valid = true;
+            board[30].Valid = true;
+            board[31].Valid = true;
+            board[32].Valid = true;
+            board[40].Valid = true;
+            board[41].Valid = true;
+            board[48].Valid = true;
+
+            board[3].IsDangerous = true;
+            board[15].IsDangerous = true;
+            board[16].IsDangerous = true;
         }
         
         /// <summary>
         /// Initializes the operation grid of the map.
         /// </summary>
         /// <returns>Return the operation grid</returns>
-        private List<OperationCell> InitializeOperationGrid()
+        private void InitializeOperationGrid(ObservableCollection<OperationCell>operationGrid)
         {
-            var operationGrid = new List<OperationCell>();
             for (int i = 0; i < 5; i++) // 5 operations
             {
                 for (int j = 0; j < 4; j++) // 4 cells per operation
@@ -72,7 +98,6 @@
                     operationGrid.Add(new OperationCell(i, j));
                 }
             }
-            return operationGrid;
         }
 
         public bool CheckOperationPossible(int x)
diff --git a/source/Trek-12/Models/Game/OperationCell.cs b/source/Trek-12/Models/Game/OperationCell.cs
index 4667ff0..459f325 100644
--- a/source/Trek-12/Models/Game/OperationCell.cs
+++ b/source/Trek-12/Models/Game/OperationCell.cs
@@ -1,3 +1,5 @@
+using System.ComponentModel;
+
 namespace Models.Game
 {
     /// <summary>
@@ -5,10 +7,20 @@ namespace Models.Game
     /// </summary>
     public class OperationCell : Position
     {
+
+        private bool isChecked;
         /// <summary>
         /// It tells if the operation is checked or not in the operation grid of  the game.
         /// </summary>
-        public bool IsChecked { get; private set; }
+        public bool IsChecked
+        {
+            get => isChecked;
+            private set
+            {
+                isChecked = value;
+                OnPropertyChanged(nameof(IsChecked));
+            }
+        }
 
         /// <summary>
         /// Constructor of the OperationCell class.
diff --git a/source/Trek-12/Models/Game/Position.cs b/source/Trek-12/Models/Game/Position.cs
index c1b75da..d34ece5 100644
--- a/source/Trek-12/Models/Game/Position.cs
+++ b/source/Trek-12/Models/Game/Position.cs
@@ -1,10 +1,13 @@
-namespace Models.Game
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+
+namespace Models.Game
 {
 
     /// <summary>
     /// The Position (x,y) of a cell in the game.
     /// </summary>
-    public class Position
+    public class Position : INotifyPropertyChanged
     {
         /// <summary>
         /// The X coordinate.
@@ -26,5 +29,19 @@
             X = x;
             Y = y;
         }
+
+        /// <summary>
+        /// Event raised when a property is changed to notify the view.
+        /// </summary>
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        /// <summary>
+        /// Trigger the PropertyChanged event for a specific property.
+        /// </summary>
+        /// <param name="propertyName">Name of the property that changed.</param>
+        protected virtual void OnPropertyChanged(string propertyName)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
     }
 }
\ No newline at end of file
diff --git a/source/Trek-12/Models/Rules/Rules.cs b/source/Trek-12/Models/Rules/Rules.cs
index 341d1ff..7e17b3e 100644
--- a/source/Trek-12/Models/Rules/Rules.cs
+++ b/source/Trek-12/Models/Rules/Rules.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -130,7 +131,7 @@ namespace Models.Rules
 
             List<Cell> adjacentCells = new List<Cell>();
 
-            adjacentCells = EveryAdjacentCells(chosenCell, map.Boards);
+            adjacentCells = EveryAdjacentCells(chosenCell, map.Boards.ToList());
 
             foreach(var cells in adjacentCells)
             {
diff --git a/source/Trek-12/Stub/Stub.cs b/source/Trek-12/Stub/Stub.cs
index e7f3292..d933f4a 100644
--- a/source/Trek-12/Stub/Stub.cs
+++ b/source/Trek-12/Stub/Stub.cs
@@ -1,4 +1,4 @@
-using System.Collections.ObjectModel;
+using System.Collections.ObjectModel;
 using System.Data;
 using System.Numerics;
 using Models.Game;
@@ -14,9 +14,9 @@ namespace Stub
 
         public Stub()
         {
-            LoadPlayer();
             ListPlayer = new ReadOnlyObservableCollection<Player>(listplayer);
             ListMap = new ReadOnlyObservableCollection<Map>(listmap);
+            LoadPlayer();
             LoadMap();
         }
 
@@ -27,14 +27,8 @@ namespace Stub
             listplayer.Add(new Player("Lucas", "profile.jpg"));
             listplayer.Add(new Player("relavergne", "profile.jpg"));
             listplayer.Add(new Player("reneveu", "profile.jpg"));
-
         }
-
-        public void Add(string pseudo, string profilePicture)
-        {
-            listplayer.Add(new Player(pseudo, profilePicture));
-        }
-
+        
         public void LoadMap()
         {
 
@@ -43,14 +37,19 @@ namespace Stub
             listmap.Add(new Map("tmp1.jpeg"));
         }
 
+        public void Add(string pseudo, string profilePicture)
+        {
+            listplayer.Add(new Player(pseudo, profilePicture));
+        }
+        
         public void Pop(string pseudo, string profilePicture)
         {
             listplayer.Remove(new Player(pseudo, profilePicture));
         }
-        
+
         public bool Modify(string pseudo, string newpseudo)
         {
-            foreach(var index in listplayer)
+            foreach (var index in listplayer)
             {
                 if (index.Pseudo == pseudo)
                 {
@@ -58,6 +57,7 @@ namespace Stub
                     return true;
                 }
             }
+
             return false;
         }
     }
diff --git a/source/Trek-12/Tests/RulesTests.cs b/source/Trek-12/Tests/RulesTests.cs
index 7cfe05a..653a3da 100644
--- a/source/Trek-12/Tests/RulesTests.cs
+++ b/source/Trek-12/Tests/RulesTests.cs
@@ -35,7 +35,7 @@ public class RulesTests
         Map map = new Map("background");
         Cell selectedCell = map.Boards[0];
         selectedCell.Value = 5;
-        Assert.False(rules.IsCellValid(selectedCell, map.Boards));
+        Assert.False(rules.IsCellValid(selectedCell, map.Boards.ToList()));
     }
     
     [Fact]
@@ -44,7 +44,7 @@ public class RulesTests
         Rules rules = new Rules();
         Map map = new Map("background");
         Cell selectedCell = map.Boards[0];
-        Assert.True(rules.IsCellValid(selectedCell, map.Boards));
+        Assert.True(rules.IsCellValid(selectedCell, map.Boards.ToList()));
     }
     
     [Fact]
@@ -211,7 +211,7 @@ public class RulesTests
         Cell adjacentCell = new Cell(0, 1);
         adjacentCell.Value = 1;
         
-        map.Boards.Add(adjacentCell);
+        map.Boards.ToList().Add(adjacentCell);
         map.Zones.Add(new List<Cell> { adjacentCell });
         
         rules.IsZoneValidAndAddToZones(cell, map);
@@ -228,7 +228,7 @@ public class RulesTests
         Cell adjacentCell = new Cell(0, 1);
         adjacentCell.Value = 1;
         
-        map.Boards.Add(adjacentCell);
+        map.Boards.ToList().Add(adjacentCell);
         rules.IsZoneValidAndAddToZones(cell, map);
         Assert.Contains(cell, map.Zones[0]);
     }
diff --git a/source/Trek-12/Trek-12/AppShell.xaml b/source/Trek-12/Trek-12/AppShell.xaml
index 9b1b669..0179a5a 100644
--- a/source/Trek-12/Trek-12/AppShell.xaml
+++ b/source/Trek-12/Trek-12/AppShell.xaml
@@ -34,9 +34,9 @@
         ContentTemplate="{DataTemplate views:PageSelectMap}"
         Route="PageSelectMap"/>
 
-    <!--<ShellContent
-        Title="Plateau"
-        ContentTemplate="{DataTemplate views:PagePlateau}"
-        Route="Plateau"/>-->
+    <ShellContent
+        Title="Board"
+        ContentTemplate="{DataTemplate views:PageBoard}"
+        Route="Board"/>
 
 </Shell>
diff --git a/source/Trek-12/Trek-12/Resources/Images/checked.png b/source/Trek-12/Trek-12/Resources/Images/checked.png
new file mode 100644
index 0000000..fdac7db
Binary files /dev/null and b/source/Trek-12/Trek-12/Resources/Images/checked.png differ
diff --git a/source/Trek-12/Trek-12/Resources/Images/maptest.png b/source/Trek-12/Trek-12/Resources/Images/maptest.png
new file mode 100644
index 0000000..03dd7c4
Binary files /dev/null and b/source/Trek-12/Trek-12/Resources/Images/maptest.png differ
diff --git a/source/Trek-12/Trek-12/Trek-12.csproj b/source/Trek-12/Trek-12/Trek-12.csproj
index 6fa80dd..58891bc 100644
--- a/source/Trek-12/Trek-12/Trek-12.csproj
+++ b/source/Trek-12/Trek-12/Trek-12.csproj
@@ -56,6 +56,11 @@
 		<MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
 	</ItemGroup>
 
+	<ItemGroup>
+	  <None Remove="Resources\Images\checked.png" />
+	  <None Remove="Resources\Images\maptest.png" />
+	</ItemGroup>
+
 	<ItemGroup>
 		<PackageReference Include="CommunityToolkit.Maui" Version="7.0.1" />
 		<PackageReference Include="Microsoft.Maui.Controls" Version="$(MauiVersion)" />
@@ -84,6 +89,9 @@
 	  <MauiXaml Update="Views\Components\ContentLeaderBoard.xaml">
 	    <Generator>MSBuild:Compile</Generator>
 	  </MauiXaml>
+	  <MauiXaml Update="Views\PageBoard.xaml">
+	    <Generator>MSBuild:Compile</Generator>
+	  </MauiXaml>
 	  <MauiXaml Update="Views\PageLeaderBoard.xaml">
 	    <Generator>MSBuild:Compile</Generator>
 	  </MauiXaml>
diff --git a/source/Trek-12/Trek-12/Views/PageBoard.xaml b/source/Trek-12/Trek-12/Views/PageBoard.xaml
new file mode 100644
index 0000000..7ac0747
--- /dev/null
+++ b/source/Trek-12/Trek-12/Views/PageBoard.xaml
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="Trek_12.Views.PageBoard"
+             Title="Board"
+             BackgroundColor="Bisque">
+
+    <Grid RowDefinitions="*,auto" ColumnDefinitions="*,auto">
+        <Image Source="maptest.png" Aspect="AspectFit" Grid.ColumnSpan="2" Grid.RowSpan="3"/>
+
+        <CollectionView ItemsSource="{Binding ListMap[0].Boards}"
+                            Grid.Row="1"
+                            Grid.Column="0"
+                            SelectionMode="Single"
+                            WidthRequest="350"
+                            HeightRequest="350"
+                            ItemsLayout="VerticalGrid,7"
+                            BackgroundColor="Aqua">
+            <CollectionView.ItemTemplate>
+                <DataTemplate>
+                    <Grid VerticalOptions="Center" HorizontalOptions="Center" HeightRequest="50" WidthRequest="50">
+
+                        <Frame
+                            IsVisible="{Binding Valid}"
+                            BorderColor="DarkGray"
+                            CornerRadius="25"
+                            HeightRequest="50"
+                            WidthRequest="50"
+                            BackgroundColor="White"
+                            Opacity="0.7"
+                            VerticalOptions="Center"
+                            HorizontalOptions="Center"
+                            Padding="0">
+                            <Frame.Triggers>
+                                <DataTrigger TargetType="Frame" Binding="{Binding IsDangerous}" Value="True">
+                                    <Setter Property="BorderColor" Value="Black"/>
+                                </DataTrigger>
+                                <DataTrigger TargetType="Frame" Binding="{Binding IsDangerous}" Value="False">
+                                    <Setter Property="BorderColor" Value="Transparent"/>
+                                </DataTrigger>
+                            </Frame.Triggers>
+                        </Frame>
+                    </Grid>
+                </DataTemplate>
+            </CollectionView.ItemTemplate>
+        </CollectionView>
+
+        <!-- Operation Grid -->
+        <CollectionView Grid.Row="0" Grid.Column="1"
+                            ItemsSource="{Binding ListMap[0].OperationGrid}"
+                            ItemsLayout="VerticalGrid,4"
+                            WidthRequest="200"
+                            HeightRequest="250"
+                            BackgroundColor="Transparent"
+                            SelectionChanged="OnOperationCellSelected"
+                            Margin="50">
+            <CollectionView.ItemTemplate>
+                    <DataTemplate>
+                        <Frame HasShadow="True"
+                               BorderColor="Black"
+                               BackgroundColor="Transparent"
+                               CornerRadius="0"
+                               HorizontalOptions="Center"
+                               VerticalOptions="Center"
+                               HeightRequest="50"
+                               WidthRequest="50"
+                               Padding="0">
+                            <Image Source="checked.png"
+                                   IsVisible="{Binding IsChecked}"
+                                   HorizontalOptions="Center"
+                                   VerticalOptions="Center"/>
+                        </Frame>
+                    </DataTemplate>
+                </CollectionView.ItemTemplate>
+            </CollectionView>
+    </Grid>
+</ContentPage>
\ No newline at end of file
diff --git a/source/Trek-12/Trek-12/Views/PageBoard.xaml.cs b/source/Trek-12/Trek-12/Views/PageBoard.xaml.cs
new file mode 100644
index 0000000..1f66020
--- /dev/null
+++ b/source/Trek-12/Trek-12/Views/PageBoard.xaml.cs
@@ -0,0 +1,32 @@
+using System.Diagnostics;
+
+namespace Trek_12.Views;
+
+using Models.Game;
+using Stub;
+
+public partial class PageBoard : ContentPage
+{
+    public Stub MyStub { get; set; } = new Stub();
+
+    public PageBoard()
+	{
+		InitializeComponent();
+        BindingContext = MyStub;
+    }
+
+    private void OnOperationCellSelected(object sender, SelectionChangedEventArgs e)
+    {
+        Debug.WriteLine("OnOperationCellSelected"); // Debug
+        if (e.CurrentSelection.Count > 0) // Si un élément est sélectionné
+        {
+            var selectedCell = (OperationCell)e.CurrentSelection[0];
+            if (selectedCell != null && !selectedCell.IsChecked)
+            {
+                selectedCell.Check();
+                Debug.WriteLine("OperationCell at ({0}, {1}) is checked", selectedCell.X, selectedCell.Y); // Debug
+            }
+            ((CollectionView)sender).SelectedItem = null; // Déselectionne l'élément pour la CollectionView
+        }
+    }
+}
\ No newline at end of file