diff --git a/Shop/Shop/Form1.cs b/Shop/Shop/Form1.cs
index dfbe3fb..a0199ba 100644
--- a/Shop/Shop/Form1.cs
+++ b/Shop/Shop/Form1.cs
@@ -43,14 +43,19 @@ namespace ShopWin
     private void h_initShop()
     {
       _shop = new CShop("Shop1");
-      _shop.ShelfList.Add(new CShelf("1"));
-      _shop.ShelfList.Add(new CShelf("2"));
+      _shop.ShelfList.Add(new CShelf("1", h_OnBreak));
+      _shop.ShelfList.Add(new CShelf("2", h_OnBreak));
       _shop.FillTest(3);
     }
 
+    private void h_OnBreak(CShelf pShelf)
+    {
+      //
+    }
+
     private void timer1_Tick(object sender, EventArgs e)
     {
-      _shop.Tick();
+      // _shop.Tick();
       h_RefreshShop();
     }
   }
diff --git a/Shop/Shop/Model/CShelf.cs b/Shop/Shop/Model/CShelf.cs
index 98ccc28..892b5ec 100644
--- a/Shop/Shop/Model/CShelf.cs
+++ b/Shop/Shop/Model/CShelf.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Threading;
 
 namespace ShopWin.Model
@@ -21,11 +22,41 @@ namespace ShopWin.Model
     /// </summary>
     public List<CProduct> ProductList;
 
-    public CShelf(string number)
+    private Action<CShelf> _OnBreak;
+
+    private bool m_isBroken;
+    /// <summary>
+    /// Свойство сломано ли
+    /// </summary>
+    public bool IsBroken
+    {
+      get { return m_isBroken; }
+      set
+      {
+        if (m_isBroken == value) return;
+        if (m_isBroken) return;
+        m_isBroken = value;
+
+        if (m_isBroken) {
+          if (_OnBreak != null) {
+            _OnBreak(this);
+          }
+        }
+      }
+    }
+
+
+    /// <summary>
+    /// Конструктор
+    /// </summary>
+    /// <param name="number"></param>
+    /// <param name="fnOnBreak"></param>
+    public CShelf(string number, Action<CShelf> fnOnBreak = null )
     {
       Number = number;
       MaxWeight = 1000;
       ProductList = new List<CProduct>();
+      _OnBreak = fnOnBreak;
     }
 
     public void FillTest(int iCount)
@@ -43,9 +74,16 @@ namespace ShopWin.Model
         iSumWeight += ProductList[ii].Weight;
       }
 
+      IsBroken = iSumWeight > MaxWeight;
       return iSumWeight > MaxWeight;
     }
 
 
+    public void RemoveProduct()
+    {
+      if (ProductList.Count > 0) {
+        ProductList.RemoveAt(0);
+      }
+    }
   }
 }
diff --git a/Shop/Shop/Model/CShop.cs b/Shop/Shop/Model/CShop.cs
index 2243aaa..0548b8d 100644
--- a/Shop/Shop/Model/CShop.cs
+++ b/Shop/Shop/Model/CShop.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Threading;
 
 namespace ShopWin.Model
 {
@@ -9,20 +10,43 @@ namespace ShopWin.Model
   public class CShop
   {
     private Random _random = new Random();
+    private System.Threading.Timer _timer;
+
+
     public string Title = "";
     public List<CShelf> ShelfList = new List<CShelf>();
 
     public CShop(string title)
     {
       Title = title;
+      _timer = new Timer(h_tick, null,
+        new TimeSpan(0, 0, 0, 0, 1000),
+        new TimeSpan(0, 0, 0, 0, 1000)
+      );
+    }
+
+    private void h_tick(object state)
+    {
+      this.Tick();
     }
 
     public void Tick()
+    {
+      h_ShelfBroke();
+      h_GoodsSold();
+    }
+
+    private void h_ShelfBroke()
+    {
+      for (int ii = 0; ii < ShelfList.Count; ii++) {
+        ShelfList[ii].CheckBrokenState();
+      }
+    }
+
+    private void h_GoodsSold()
     {
       if (_random.Next(0, 10) == 1) {
-        if (ShelfList[0].ProductList.Count > 0) {
-          ShelfList[0].ProductList.RemoveAt(0);
-        }
+        ShelfList[0].RemoveProduct();
       }
     }
 
diff --git a/Shop/Документ1.vsdx b/Shop/Документ1.vsdx
new file mode 100644
index 0000000..26f1f53
Binary files /dev/null and b/Shop/Документ1.vsdx differ