===================================================================
--- original.js
+++ change.js
@@ -93,8 +93,25 @@
 			checkOrderFulfillment(self);
 		}
 	});
 });
+// Inventory class
+var Inventory = Container.expand(function () {
+	var self = Container.call(this);
+	self.items = [];
+	self.addItem = function (item) {
+		self.items.push(item);
+		self.addChild(item);
+	};
+	self.updateLayout = function () {
+		var totalItems = self.items.length;
+		var startingPoint = (2048 - totalItems * 250) / 2;
+		for (var i = 0; i < totalItems; i++) {
+			self.items[i].x = startingPoint + i * 250;
+			self.items[i].y = 2732 - 200;
+		}
+	};
+});
 // Item class
 var Item = Container.expand(function (type) {
 	var self = Container.call(this);
 	var itemGraphics = self.attachAsset(type, {
@@ -197,9 +214,10 @@
 var selectedItem = null; // Variable to track the currently selected item
 var currentLevel = null; // Variable to track the current level
 var customers = [];
 var items = [];
-var inventory = []; // Inventory array to hold all items from the bar
+var inventory = new Inventory();
+game.addChild(inventory);
 var score = 0;
 var scoreTxt = new Text2('0', {
 	size: 90,
 	fill: "#ffffff",
@@ -286,9 +304,10 @@
 	item.y = y;
 	item.width = 200;
 	item.height = 200;
 	items.push(item);
-	inventory.push(item); // Add item to inventory array
+	inventory.addItem(item); // Add item to inventory container
+	inventory.updateLayout(); // Update inventory layout
 	item.visible = true; // Show item on game start
 	game.addChild(item);
 }
 // Initialize level data
@@ -336,19 +355,21 @@
 				}
 				var totalItems = currentLevel.items.length;
 				var startingPoint = (2048 - totalItems * 250) / 2;
 				for (var i = 0; i < totalItems; i++) {
-					createItem(currentLevel.items[i], startingPoint + i * 250, 2732 - 200);
+					createItem(currentLevel.items[i], 0, 0); // Position will be set by inventory.updateLayout()
 				}
+				inventory.updateLayout(); // Update inventory layout
 			}, 1000);
 		}
 	} else if (LK.ticks % 300 == 0) {
 		createCustomer();
 	}
 };
 // Create initial items
 for (var i = 0; i < currentLevel.items.length; i++) {
-	createItem(currentLevel.items[i], 2048 / 2 - 500 + i * 250, 2732 - 200);
+	createItem(currentLevel.items[i], 0, 0); // Position will be set by inventory.updateLayout()
+	inventory.updateLayout(); // Update inventory layout
 }
 var backgroundBottom = LK.getAsset('backgroundBottom', {
 	anchorX: 0.5,
 	anchorY: 1,