===================================================================
--- original.js
+++ change.js
@@ -36,22 +36,21 @@
 // Class for the poles consisting of cubes
 var Pole = Container.expand(function () {
 	var self = Container.call(this);
 	self.cubes = [];
-	self.lastCollapsingCubeTimestamp = 0; // Timestamp of the last collapsing cube addition
 	self.addCube = function (isCollapsing) {
 		var cube;
-		var currentTime = Date.now();
-		// Check if 30 seconds have passed since the last collapsing cube was added
-		if (currentTime - self.lastCollapsingCubeTimestamp >= 30000 || isCollapsing) {
+		if (isCollapsing) {
 			cube = new CollapsingCube();
-			self.lastCollapsingCubeTimestamp = currentTime;
 		} else {
 			cube = new Cube();
 		}
 		cube.y = -(self.cubes.length * 100) - (self.cubes.length - 1) * 2;
 		self.addChild(cube);
 		self.cubes.push(cube);
+		if (isCollapsing) {
+			self.makeCubesFall();
+		}
 	};
 	self.makeCubesFall = function () {
 		for (var i = self.cubes.length - 1; i >= 0; i--) {
 			(function (index) {
@@ -144,8 +143,15 @@
 		poles.push(pole);
 	}
 }
 createInitialPoles();
+// Add a timer to create a collapsing cube every 30 seconds
+var collapseCubeTimer = LK.setInterval(function () {
+	if (poles.length > 0) {
+		var lastPole = poles[poles.length - 1];
+		lastPole.addCube(true);
+	}
+}, 30000);
 // Event listener for jump action
 game.on('down', function (obj) {
 	hero.jump();
 });
@@ -175,11 +181,9 @@
 		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++) {
-			// Pass true to addCube for the last cube if the time interval has passed
-			var isCollapsing = j === cubesCount - 1 && Date.now() - newPole.lastCollapsingCubeTimestamp >= 30000;
-			newPole.addCube(isCollapsing);
+			newPole.addCube();
 		}
 		poles.push(newPole);
 	}
 	// Move poles to the left to simulate hero running and make cubes fall after passing the middle