===================================================================
--- original.js
+++ change.js
@@ -36,18 +36,22 @@
 // Class for the poles consisting of cubes
 var Pole = Container.expand(function () {
 	var self = Container.call(this);
 	self.cubes = [];
+	self.hasCollapsingCube = false; // Flag to track if a collapsing cube has been added
 	self.addCube = function (isCollapsing) {
 		var cube;
-		if (isCollapsing) {
+		if (isCollapsing && !self.hasCollapsingCube) {
 			cube = new CollapsingCube();
-		} else {
+			self.hasCollapsingCube = true;
+		} else if (!isCollapsing) {
 			cube = new Cube();
 		}
-		cube.y = -(self.cubes.length * 100) - (self.cubes.length - 1) * 2;
-		self.addChild(cube);
-		self.cubes.push(cube);
+		if (cube) {
+			cube.y = -(self.cubes.length * 100) - (self.cubes.length - 1) * 2;
+			self.addChild(cube);
+			self.cubes.push(cube);
+		}
 	};
 	self.makeCubesFall = function () {
 		for (var i = self.cubes.length - 1; i >= 0; i--) {
 			(function (index) {
@@ -114,31 +118,34 @@
 
 /**** 
 * Game Code
 ****/
-// Initialize important asset arrays
 // Initialize assets used in the game.
+// Initialize important asset arrays
 var poles = [];
 var hero;
 // Create the hero
 hero = game.addChild(new Hero());
 hero.x = 2048 / 2;
 hero.y = 2732 - 150; // Start above the bottom of the screen
 // Create initial poles
-var lastCollapseTime = 0; // Timestamp of the last collapsing cube addition, set to game start time
 function createInitialPoles() {
 	var poleSpacing = 2;
 	var poleWidth = 100 + poleSpacing;
 	var numPoles = Math.ceil(2048 / poleWidth);
 	for (var i = 0; i < numPoles; i++) {
 		var pole = game.addChild(new Pole());
 		pole.x = i * poleWidth;
 		pole.y = 2732 - 50; // Align base of pole with bottom of the screen and raise by 50 pixels
-		for (var j = 0; j < 10; j++) {
-			// Add 9 cubes to each pole and one collapsing cube to make them higher
-			var isCollapsing = j === 9; // Make the top cube a collapsing cube
-			pole.addCube(isCollapsing);
+		for (var j = 0; j < 9; j++) {
+			// Add 9 cubes to each pole
+			pole.addCube(false);
 		}
+		// Add a collapsing cube after 15 seconds
+		LK.setTimeout(function () {
+			pole.addCube(true);
+			pole.hasCollapsingCube = true;
+		}, 15000);
 		poles.push(pole);
 	}
 }
 createInitialPoles();
@@ -164,23 +171,17 @@
 	var poleWidth = 100 + poleSpacing;
 	if (poles.length > 0 && poles[0].x + poleWidth / 2 < 0) {
 		poles[0].destroy();
 		poles.shift();
-		var currentTime = LK.ticks / 60; // Current time in seconds
 		var newPole = game.addChild(new Pole());
 		newPole.x = poles[poles.length - 1].x + poleWidth;
 		newPole.y = 2732 - 50;
-		var shouldAddCollapsingCube = currentTime - lastCollapseTime >= 15; // Check if 15 seconds have passed since the last collapsing cube was added
 		var prevPoleHeight = poles[poles.length - 1].cubes.length;
 		var minCubes = Math.max(6, prevPoleHeight - 1);
 		var maxCubes = Math.min(14, prevPoleHeight + 1);
 		var cubesCount = Math.floor(Math.random() * (maxCubes - minCubes + 1)) + minCubes;
 		for (var j = 0; j < cubesCount; j++) {
-			var isCollapsing = shouldAddCollapsingCube && j === cubesCount - 1; // Make the last cube a collapsing cube if condition met
-			newPole.addCube(isCollapsing);
-			if (isCollapsing && currentTime - lastCollapseTime >= 15) {
-				lastCollapseTime = currentTime;
-			} // Update the timestamp only if 15 seconds have passed since the last collapsing cube was added
+			newPole.addCube();
 		}
 		poles.push(newPole);
 	}
 	// Move poles to the left to simulate hero running and make cubes fall after passing the middle