===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,271 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var SurpriseEgg = Container.expand(function (eggType, eggColor) {
+	var self = Container.call(this);
+	self.isOpened = false;
+	self.eggType = eggType;
+	self.contents = [];
+	// Create egg base
+	var eggBase = self.attachAsset(eggColor, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Create egg top half
+	var eggTopHalf = self.attachAsset('eggTop', {
+		anchorX: 0.5,
+		anchorY: 1.0,
+		y: 0
+	});
+	// Create egg bottom half
+	var eggBottomHalf = self.attachAsset('eggBottom', {
+		anchorX: 0.5,
+		anchorY: 0.0,
+		y: 0
+	});
+	// Hide base initially, show halves
+	eggBase.visible = false;
+	eggTopHalf.visible = true;
+	eggBottomHalf.visible = true;
+	self.generateContents = function () {
+		self.contents = [];
+		var numItems = Math.floor(Math.random() * 3) + 2; // 2-4 items
+		for (var i = 0; i < numItems; i++) {
+			var itemType = Math.floor(Math.random() * 4);
+			var item;
+			switch (itemType) {
+				case 0:
+					item = {
+						type: 'blossom',
+						asset: 'blossomToy'
+					};
+					break;
+				case 1:
+					item = {
+						type: 'bubbles',
+						asset: 'bubblesToy'
+					};
+					break;
+				case 2:
+					item = {
+						type: 'buttercup',
+						asset: 'buttercupToy'
+					};
+					break;
+				case 3:
+					item = {
+						type: 'sticker',
+						asset: 'sticker'
+					};
+					break;
+			}
+			self.contents.push(item);
+		}
+	};
+	self.openEgg = function () {
+		if (self.isOpened) return;
+		self.isOpened = true;
+		// Play crack sound
+		LK.getSound('eggCrack').play();
+		// Animate egg opening
+		tween(eggTopHalf, {
+			y: -100,
+			rotation: -0.3
+		}, {
+			duration: 800,
+			easing: tween.bounceOut
+		});
+		tween(eggBottomHalf, {
+			y: 100,
+			rotation: 0.2
+		}, {
+			duration: 800,
+			easing: tween.bounceOut
+		});
+		// Show contents after opening animation
+		LK.setTimeout(function () {
+			self.showContents();
+		}, 400);
+	};
+	self.showContents = function () {
+		LK.getSound('surprise').play();
+		for (var i = 0; i < self.contents.length; i++) {
+			var item = self.contents[i];
+			var itemGraphic = LK.getAsset(item.asset, {
+				anchorX: 0.5,
+				anchorY: 0.5,
+				alpha: 0,
+				scaleX: 0,
+				scaleY: 0
+			});
+			// Position items in a circular pattern
+			var angle = i / self.contents.length * Math.PI * 2;
+			var radius = 80;
+			itemGraphic.x = Math.cos(angle) * radius;
+			itemGraphic.y = Math.sin(angle) * radius;
+			self.addChild(itemGraphic);
+			// Animate item appearance
+			tween(itemGraphic, {
+				alpha: 1,
+				scaleX: 1,
+				scaleY: 1
+			}, {
+				duration: 600,
+				easing: tween.elasticOut
+			});
+			// Add floating animation
+			var floatDelay = i * 200;
+			LK.setTimeout(function (graphic) {
+				return function () {
+					tween(graphic, {
+						y: graphic.y - 20
+					}, {
+						duration: 1000,
+						easing: tween.easeInOut
+					});
+				};
+			}(itemGraphic), floatDelay);
+		}
+		// Flash effect
+		LK.effects.flashObject(self, 0xFFFFFF, 500);
+		// Auto-reset after showing contents
+		LK.setTimeout(function () {
+			self.resetEgg();
+		}, 3000);
+	};
+	self.resetEgg = function () {
+		// Remove all content items
+		for (var i = self.children.length - 1; i >= 0; i--) {
+			var child = self.children[i];
+			if (child !== eggTopHalf && child !== eggBottomHalf && child !== eggBase) {
+				child.destroy();
+			}
+		}
+		// Reset egg halves position
+		tween(eggTopHalf, {
+			y: 0,
+			rotation: 0
+		}, {
+			duration: 800,
+			easing: tween.easeInOut
+		});
+		tween(eggBottomHalf, {
+			y: 0,
+			rotation: 0
+		}, {
+			duration: 800,
+			easing: tween.easeInOut,
+			onFinish: function onFinish() {
+				self.isOpened = false;
+				self.generateContents();
+			}
+		});
+	};
+	self.down = function (x, y, obj) {
+		if (!self.isOpened) {
+			self.openEgg();
+			LK.getSound('collect').play();
+		}
+	};
+	// Generate initial contents
+	self.generateContents();
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x87CEEB
+});
+
+/**** 
+* Game Code
+****/ 
+// Create title text
+var titleText = new Text2('Powerpuff Girls Surprise Eggs', {
+	size: 80,
+	fill: 0xFF1493
+});
+titleText.anchor.set(0.5, 0);
+LK.gui.top.addChild(titleText);
+titleText.y = 50;
+// Create instruction text
+var instructionText = new Text2('Tap the eggs to discover surprises!', {
+	size: 50,
+	fill: 0xFFFFFF
+});
+instructionText.anchor.set(0.5, 0);
+LK.gui.top.addChild(instructionText);
+instructionText.y = 150;
+// Create surprise eggs
+var eggs = [];
+var eggTypes = ['egg1', 'egg2', 'egg3', 'egg4'];
+var eggPositions = [{
+	x: 512,
+	y: 900
+},
+// Top left
+{
+	x: 1536,
+	y: 900
+},
+// Top right
+{
+	x: 512,
+	y: 1600
+},
+// Bottom left
+{
+	x: 1536,
+	y: 1600
+} // Bottom right
+];
+for (var i = 0; i < 4; i++) {
+	var egg = new SurpriseEgg(i, eggTypes[i]);
+	egg.x = eggPositions[i].x;
+	egg.y = eggPositions[i].y;
+	eggs.push(egg);
+	game.addChild(egg);
+}
+// Add sparkle effects
+var sparkleTimer = 0;
+game.update = function () {
+	sparkleTimer++;
+	// Add random sparkles around eggs
+	if (sparkleTimer % 60 === 0) {
+		for (var i = 0; i < eggs.length; i++) {
+			var egg = eggs[i];
+			if (!egg.isOpened) {
+				var sparkle = LK.getAsset('sticker', {
+					anchorX: 0.5,
+					anchorY: 0.5,
+					scaleX: 0.3,
+					scaleY: 0.3,
+					alpha: 0.8
+				});
+				sparkle.x = egg.x + (Math.random() - 0.5) * 300;
+				sparkle.y = egg.y + (Math.random() - 0.5) * 300;
+				game.addChild(sparkle);
+				// Animate sparkle
+				tween(sparkle, {
+					alpha: 0,
+					scaleX: 0,
+					scaleY: 0,
+					y: sparkle.y - 100
+				}, {
+					duration: 1500,
+					easing: tween.easeOut,
+					onFinish: function onFinish() {
+						sparkle.destroy();
+					}
+				});
+			}
+		}
+	}
+};
\ No newline at end of file