diff --git a/.gitignore b/.gitignore
index 11cb6fc..d0e92d4 100755
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,8 @@
 ##
 ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
 
+.vscode/
+
 # User-specific files
 *.rsuser
 *.suo
diff --git a/GameObjectManager.cpp b/GameObjectManager.cpp
index b6d8120..bb9a239 100644
--- a/GameObjectManager.cpp
+++ b/GameObjectManager.cpp
@@ -28,7 +28,8 @@ void GameObjectManager::initialize() {
     testObjMeshMutable.data = testObjMesh;
     testObjMeshMutable.RefreshVBO();
 
-    textMesh = ZL::LoadFromTextFile("./textures/mesh_first_room.txt");  // Add ZL:: namespace
+    textMesh = ZL::LoadFromTextFile("./textures/mesh_first_room.txt");
+    textMesh.NormalData  // Add ZL:: namespace
     textMesh.Scale(10);
     textMesh.SwapZandY();
     textMesh.RotateByMatrix(QuatToMatrix(QuatFromRotateAroundX(M_PI * 0.5)));
@@ -114,11 +115,23 @@ void GameObjectManager::initialize() {
 
     roomTexturePtr = rooms[current_room_index].roomTexture;
 
-    AddItemToInventory("book1", std::make_shared<Texture>(CreateTextureDataFromBmp24("./Kitchen_ceramics.bmp")), objects_in_inventory+1);
-    objects_in_inventory++;
-    AddItemToInventory("book2", std::make_shared<Texture>(CreateTextureDataFromBmp24("./Kitchen_ceramics.bmp")), objects_in_inventory+1);
-    objects_in_inventory++;
+    // Добавляем тестовые предметы с правильными hot_key
+    if (objects_in_inventory < MAX_INVENTORY_SLOTS) {
+        AddItemToInventory("book1", std::make_shared<Texture>(CreateTextureDataFromBmp24("./Kitchen_ceramics.bmp")), 1);
+        objects_in_inventory++;
+        std::cout << "Added item with hotkey 1" << std::endl;
+    }
+    
+    if (objects_in_inventory < MAX_INVENTORY_SLOTS) {
+        AddItemToInventory("book2", std::make_shared<Texture>(CreateTextureDataFromBmp24("./Kitchen_ceramics.bmp")), 2);
+        objects_in_inventory++;
+        std::cout << "Added item with hotkey 2" << std::endl;
+    }
 
+    // Test inventory items
+    AddItemToInventory("book1", std::make_shared<Texture>(CreateTextureDataFromBmp24("./Kitchen_ceramics.bmp")), 1);
+    AddItemToInventory("book2", std::make_shared<Texture>(CreateTextureDataFromBmp24("./Kitchen_ceramics.bmp")), 2);
+    objects_in_inventory = 2;
 
     //SDL_ShowCursor(SDL_DISABLE);
     SDL_SetRelativeMouseMode(SDL_TRUE);
@@ -250,14 +263,35 @@ void GameObjectManager::handleEvent(const SDL_Event& event) {
 
             case SDLK_1:
             case SDLK_2:
+            case SDLK_3:
+            case SDLK_4:
+            case SDLK_5:
+            case SDLK_6:
+            case SDLK_7:
+            case SDLK_8:
+            case SDLK_9:
             {
-                int hot_key = (event.key.keysym.sym == SDLK_1) ? 1 : 2;
+                int slot_index = event.key.keysym.sym - SDLK_1 + 1;
+                std::cout << "Selected slot: " << slot_index << std::endl;
+                
                 UnselectAllItems();
-                if (InventoryItem* item = GetItemByHotkey(hot_key)) {
+                
+                if (auto* item = GetItemByIndex(slot_index)) {
+                    std::cout << "Found item in slot " << slot_index << std::endl;
                     item->isSelected = true;
+                    item->scale = SELECTED_ITEM_SCALE;
+                    
+                    inventoryIconMesh = CreateRect2D(
+                        {0.0f, 40.0f},
+                        {INVENTORY_ICON_SIZE/2 * item->scale, INVENTORY_ICON_SIZE/2 * item->scale},
+                        0.5f
+                    );
+                    inventoryIconMeshMutable.AssignFrom(inventoryIconMesh);
+                    inventoryIconMeshMutable.RefreshVBO();
                 }
             }
             break;
+
             // ...handle other keys...
         }
     }
@@ -438,12 +472,14 @@ void GameObjectManager::updateScene(size_t ms) {
 }
 
 bool GameObjectManager::isPointInObject(int screenX, int screenY, int objectScreenX, int objectScreenY) const {
-    // Простая проверка попадания точки в квадрат 64x64 вокруг центра объекта
-    const int objectSize = 32; // Половина размера области выделения
-    return (screenX >= objectScreenX - objectSize && 
-            screenX <= objectScreenX + objectSize &&
-            screenY >= objectScreenY - objectSize && 
-            screenY <= objectScreenY + objectSize);
+    const int baseObjectSize = 32; // Base half-size
+    const float scale = 1.0f; // Get scale from item if needed
+    const int scaledObjectSize = static_cast<int>(baseObjectSize * scale);
+    
+    return (screenX >= objectScreenX - scaledObjectSize && 
+            screenX <= objectScreenX + scaledObjectSize &&
+            screenY >= objectScreenY - scaledObjectSize && 
+            screenY <= objectScreenY + scaledObjectSize);
 }
 
 void GameObjectManager::checkMouseIntersection(int mouseX, int mouseY, const Matrix4f& projectionModelView) {
diff --git a/Inventory.cpp b/Inventory.cpp
index 292cfb0..f984b88 100644
--- a/Inventory.cpp
+++ b/Inventory.cpp
@@ -2,47 +2,41 @@
 
 namespace ZL
 {
-    // Определяем глобальную переменную
-    std::unordered_map<std::string, InventoryItem> gInventoryMap;
+    std::unordered_map<int, InventoryItem> gInventoryMap;
 
-    void AddItemToInventory(const std::string& name, std::shared_ptr<Texture> tex, int hot_key)
+    void AddItemToInventory(const std::string& name, std::shared_ptr<Texture> tex, int slot_index)
     {
+        if (slot_index > MAX_INVENTORY_SLOTS || slot_index < 1) {
+            return;
+        }
+
         InventoryItem item;
         item.name = name;
         item.texture = tex;
-        item.hot_key = hot_key;
+        item.hot_key = slot_index;
+        item.scale = 1.0f;
 
-        // Вставляем или перезаписываем (operator[] так сделает).
-        gInventoryMap[name] = item;
+        gInventoryMap[slot_index] = item;
+        std::cout << "Added item to slot " << slot_index << std::endl;
     }
 
-    void RemoveItemFromInventory(const std::string& name)
+    void RemoveItemFromInventory(int slot_index)
     {
-        // erase вернёт количество удалённых элементов, если нужно проверить
-        gInventoryMap.erase(name);
+        gInventoryMap.erase(slot_index);
     }
 
-    InventoryItem* GetItemByName(const std::string& name)
+    InventoryItem* GetItemByIndex(int slot_index)
     {
-        // Пытаемся найти элемент по ключу
-        auto it = gInventoryMap.find(name);
-        if (it != gInventoryMap.end())
-        {
-            // Возвращаем адрес найденного InventoryItem
+        auto it = gInventoryMap.find(slot_index);
+        if (it != gInventoryMap.end()) {
             return &it->second;
         }
-        // Если не нашли – nullptr
         return nullptr;
     }
 
     InventoryItem* GetItemByHotkey(int hotkey)
     {
-        for (auto& [_, item] : gInventoryMap) {
-            if (item.hot_key == hotkey) {
-                return &item;
-            }
-        }
-        return nullptr;
+        return GetItemByIndex(hotkey); // Now we can just use the index directly
     }
 
     void PrintInventory()
@@ -58,10 +52,11 @@ namespace ZL
     {
         for (auto& [_, item] : gInventoryMap) {
             item.isSelected = false;
+            item.scale = 1.0f; // Reset scale when unselected
         }
     }
 
-    const std::unordered_map<std::string, InventoryItem>& ReturnInventory()
+    const std::unordered_map<int, InventoryItem>& ReturnInventory()
     {
         return gInventoryMap;
     }
diff --git a/Inventory.h b/Inventory.h
index 655bcc7..5a59a16 100644
--- a/Inventory.h
+++ b/Inventory.h
@@ -8,30 +8,34 @@
 
 namespace ZL
 {
+    static const int MAX_INVENTORY_SLOTS = 9;
+    static const float SELECTED_ITEM_SCALE = 1.2f; // Scale factor for selected items
+
     struct InventoryItem
     {
         std::string name;
         std::shared_ptr<Texture> texture;
         bool isSelected = false;
         int hot_key;
+        float scale = 1.0f; // Add scale property
     };
 
     // Глобальное хранилище предметов
-    extern std::unordered_map<std::string, InventoryItem> gInventoryMap;  // Changed from gInventory
+    extern std::unordered_map<int, InventoryItem> gInventoryMap;  // Changed key type from string to int
 
     // Добавить предмет в инвентарь
-    void AddItemToInventory(const std::string& name, std::shared_ptr<Texture> tex, int hot_key);
+    void AddItemToInventory(const std::string& name, std::shared_ptr<Texture> tex, int slot_index);
 
     // Удалить предмет из инвентаря
-    void RemoveItemFromInventory(const std::string& name);
+    void RemoveItemFromInventory(int slot_index);
 
-    // Поиск предмета по имени (возвращает указатель или nullptr)
-    InventoryItem* GetItemByName(const std::string& name);
+    // Поиск предмета по индексу (возвращает указатель или nullptr)
+    InventoryItem* GetItemByIndex(int slot_index);
 
     // Вывести весь инвентарь в консоль
     void PrintInventory();
 
-    const std::unordered_map<std::string, InventoryItem>& ReturnInventory();
+    const std::unordered_map<int, InventoryItem>& ReturnInventory();
 
     // Add these new functions
     void UnselectAllItems();