diff --git a/Qwirkle/QwirkleClassLibrary/Board.cs b/Qwirkle/QwirkleClassLibrary/Board.cs
new file mode 100644
index 0000000..a0a7543
--- /dev/null
+++ b/Qwirkle/QwirkleClassLibrary/Board.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace QwirkleClassLibrary
+{
+    public class Board
+    {
+        private List<Cell> Cells;
+
+        public Board()
+        {
+            Console.WriteLine("BOARD created !");
+            Cells = new List<Cell>();
+
+            for(int i = 0; i < 12; i++)
+            {
+                for (int j = 0; j < 12; j++)
+                {
+                    var localcell = new Cell(i, j);
+                    Cells.Add(localcell);
+                }
+            }
+        }
+    }
+}
diff --git a/Qwirkle/QwirkleClassLibrary/Class1.cs b/Qwirkle/QwirkleClassLibrary/Class1.cs
deleted file mode 100644
index ff018f9..0000000
--- a/Qwirkle/QwirkleClassLibrary/Class1.cs
+++ /dev/null
@@ -1,7 +0,0 @@
-namespace QwirkleClassLibrary
-{
-    public class Class1
-    {
-
-    }
-}
diff --git a/Qwirkle/QwirkleClassLibrary/TileBag.cs b/Qwirkle/QwirkleClassLibrary/TileBag.cs
new file mode 100644
index 0000000..6f923f8
--- /dev/null
+++ b/Qwirkle/QwirkleClassLibrary/TileBag.cs
@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace QwirkleClassLibrary
+{
+    public class TileBag
+    {
+        private int nbtiles;
+        private List<Tile> tiles;
+
+        public TileBag()
+        {
+            tiles = new List<Tile>();
+        }
+
+        private void WhithdrawNbTiles()
+        {
+            this.nbtiles = this.nbtiles - 1;
+        }
+    }
+}