===================================================================
--- original.js
+++ change.js
@@ -1,102 +1,112 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 // Bottle class
 var Bottle = Container.expand(function () {
-  var self = Container.call(this);
-  var bottleGraphics = self.attachAsset('bottle', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.update = function () {
-    // Bottle specific update logic if needed
-  };
+	var self = Container.call(this);
+	var bottleGraphics = self.attachAsset('bottle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.update = function () {
+		// Bottle specific update logic if needed
+	};
 });
+// Shop class
+var Shop = Container.expand(function () {
+	var self = Container.call(this);
+	self.update = function () {
+		// Shop specific update logic if needed
+	};
+});
 //<Assets used in the game will automatically appear here>
 // Stone class
 var Stone = Container.expand(function () {
-  var self = Container.call(this);
-  var stoneGraphics = self.attachAsset('stone', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = -10;
-  self.update = function () {
-    self.y += self.speed;
-  };
+	var self = Container.call(this);
+	var stoneGraphics = self.attachAsset('stone', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -10;
+	self.update = function () {
+		self.y += self.speed;
+	};
 });
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x000000 //Init game with black background 
+	backgroundColor: 0x000000 //Init game with black background 
 });
 
-/****
+/**** 
 * Game Code
-****/
-// Initialize arrays and variables
+****/ 
+// Initialize arrays, variables and shop
+var shop = new Shop();
 var stones = [];
 var bottles = [];
 var score = 0;
 var scoreTxt = new Text2('0', {
-  size: 150,
-  fill: "#ffffff"
+	size: 150,
+	fill: "#ffffff"
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
 // Function to handle stone throwing
 function throwStone(x, y) {
-  var newStone = new Stone();
-  newStone.x = x;
-  newStone.y = y;
-  stones.push(newStone);
-  game.addChild(newStone);
+	var newStone = new Stone();
+	newStone.x = x;
+	newStone.y = y;
+	stones.push(newStone);
+	game.addChild(newStone);
 }
 // Function to create bottles at random positions
 function createBottle() {
-  var newBottle = new Bottle();
-  newBottle.x = Math.random() * 2048;
-  newBottle.y = Math.random() * 1000 + 500;
-  bottles.push(newBottle);
-  game.addChild(newBottle);
+	var newBottle = new Bottle();
+	newBottle.x = Math.random() * 2048;
+	newBottle.y = Math.random() * 1000 + 500;
+	bottles.push(newBottle);
+	game.addChild(newBottle);
 }
+// Add shop to the game
+game.addChild(shop);
 // Create initial bottles
 for (var i = 0; i < 5; i++) {
-  createBottle();
+	createBottle();
 }
 // Handle game move event
 game.move = function (x, y, obj) {
-  // Handle stone throwing
-  throwStone(x, y);
+	// Handle stone throwing
+	throwStone(x, y);
 };
 // Update game logic
 game.update = function () {
-  // Update stones
-  for (var i = stones.length - 1; i >= 0; i--) {
-    stones[i].update();
-    // Check for collision with bottles
-    for (var j = bottles.length - 1; j >= 0; j--) {
-      if (stones[i].intersects(bottles[j])) {
-        // Update score
-        score += 1;
-        LK.setScore(score);
-        scoreTxt.setText(score);
-        // Destroy bottle and stone
-        bottles[j].destroy();
-        bottles.splice(j, 1);
-        stones[i].destroy();
-        stones.splice(i, 1);
-        // Create a new bottle
-        createBottle();
-        break;
-      }
-    }
-    // Destroy stones that are off screen
-    if (stones[i] && stones[i].y < -50) {
-      stones[i].destroy();
-      stones.splice(i, 1);
-    }
-  }
+	// Update stones
+	for (var i = stones.length - 1; i >= 0; i--) {
+		stones[i].update();
+		// Check for collision with bottles
+		for (var j = bottles.length - 1; j >= 0; j--) {
+			if (stones[i].intersects(bottles[j])) {
+				// Update score
+				score += 1;
+				LK.setScore(score);
+				scoreTxt.setText(score);
+				// Destroy bottle and stone
+				bottles[j].destroy();
+				bottles.splice(j, 1);
+				stones[i].destroy();
+				stones.splice(i, 1);
+				// Create a new bottle
+				createBottle();
+				break;
+			}
+		}
+		// Destroy stones that are off screen
+		if (stones[i] && stones[i].y < -50) {
+			stones[i].destroy();
+			stones.splice(i, 1);
+		}
+	}
 };
\ No newline at end of file