===================================================================
--- original.js
+++ change.js
@@ -1,10 +1,17 @@
 var PopUpNumber = Container.expand(function () {
 	var self = Container.call(this);
 	var numberGraphics = self.createAsset('number', 'Number Graphics', .5, .5);
 	self.fly = function (direction) {
-		self.x += Math.cos(direction) * 10;
-		self.y += Math.sin(direction) * 10;
+		var flyInterval = LK.setInterval(function () {
+			self.x += Math.cos(direction) * 10;
+			self.y += Math.sin(direction) * 10;
+			self.alpha -= 0.01;
+			if (self.alpha <= 0) {
+				LK.clearInterval(flyInterval);
+				self.destroy();
+			}
+		}, 16);
 	};
 });
 var Candy = Container.expand(function () {
 	var self = Container.call(this);
@@ -47,8 +54,9 @@
 		popUpNumber.x = candy.x;
 		popUpNumber.y = candy.y;
 		var direction = Math.random() * Math.PI * 2;
 		popUpNumber.fly(direction);
+		popUpNumber.setText('🍬' + clickPower);
 	});
 	upgrade.on('down', function (obj) {
 		if (score >= 10) {
 			score -= 10;