diff --git a/Apps/Sandcastle/gallery/Particle System.html b/Apps/Sandcastle/gallery/Particle System.html
index 6ddf0830a981..5f8bcaa85361 100644
--- a/Apps/Sandcastle/gallery/Particle System.html	
+++ b/Apps/Sandcastle/gallery/Particle System.html	
@@ -137,8 +137,8 @@
 </div>
 
 <script id="cesium_sandcastle_script">
-function startup(Cesium) {
-    'use strict';
+    function startup(Cesium) {
+        'use strict';
 //Sandcastle_Begin
 var viewer = new Cesium.Viewer('cesiumContainer');
 
@@ -164,19 +164,19 @@
     gravity : 0.0,
     minimumLife : 1.0,
     maximumLife : 1.0,
-    minimumSpeed : 5.0,
-    maximumSpeed : 5.0,
+    minimumSpeed : 1.0,
+    maximumSpeed : 4.0,
     startScale : 1.0,
-    endScale : 4.0,
-    particleSize : 20.0,
+    endScale : 5.0,
+    particleSize : 25.0,
     transX : 2.5,
     transY : 4.0,
     transZ : 1.0,
     heading : 0.0,
     pitch : 0.0,
     roll : 0.0,
-    fly : false,
-    spin : false,
+    fly : true,
+    spin : true,
     show : true
 };
 
@@ -278,14 +278,15 @@
     rate : viewModel.rate,
 
     bursts : [
-        new Cesium.ParticleBurst({time : 5.0, minimum : 300, maximum : 500}),
+        // these burst will occasionally sync to create a multicolored effect
+        new Cesium.ParticleBurst({time : 5.0, minimum : 10, maximum : 100}),
         new Cesium.ParticleBurst({time : 10.0, minimum : 50, maximum : 100}),
         new Cesium.ParticleBurst({time : 15.0, minimum : 200, maximum : 300})
     ],
 
     lifeTime : 16.0,
 
-    emitter : new Cesium.CircleEmitter(0.5),
+    emitter : new Cesium.CircleEmitter(2.0),
 
     emitterModelMatrix : computeEmitterModelMatrix(),
 
@@ -400,7 +401,12 @@
 var options = [{
     text : 'Circle',
     onselect : function() {
-        particleSystem.emitter = new Cesium.CircleEmitter(0.5);
+        particleSystem.emitter = new Cesium.CircleEmitter(2.0);
+    }
+}, {
+    text : 'Sphere',
+    onselect : function() {
+        particleSystem.emitter = new Cesium.SphereEmitter(2.5);
     }
 }, {
     text : 'Cone',
@@ -412,23 +418,19 @@
     onselect : function() {
         particleSystem.emitter = new Cesium.BoxEmitter(new Cesium.Cartesian3(10.0, 10.0, 10.0));
     }
-}, {
-    text : 'Sphere',
-    onselect : function() {
-        particleSystem.emitter = new Cesium.SphereEmitter(5.0);
-    }
 }];
 
 Sandcastle.addToolbarMenu(options);
 
-//Sandcastle_End
-Sandcastle.finishedLoading();
-}
-if (typeof Cesium !== "undefined") {
+    //Sandcastle_End
+    Sandcastle.finishedLoading();
+    }
+
+    if (typeof Cesium !== "undefined") {
     startup(Cesium);
-} else if (typeof require === "function") {
+    } else if (typeof require === "function") {
     require(["Cesium"], startup);
-}
+    }
 </script>
 
 </body>
diff --git a/CHANGES.md b/CHANGES.md
index 5b6d2a60354e..1d0da93ac3cb 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -36,6 +36,7 @@ Change Log
 * Added support for vertex shader uniforms when `tileset.colorBlendMode` is  `MIX` or `REPLACE`. [#5874](https://github.com/AnalyticalGraphicsInc/cesium/pull/5874)
 * Added separate file for the Cesium [Code of Conduct](https://github.com/AnalyticalGraphicsInc/cesium/blob/master/CODE_OF_CONDUCT.md). [#6129](https://github.com/AnalyticalGraphicsInc/cesium/pull/6129)
 * Fixed applying a translucent style to a point cloud tileset. [#6113](https://github.com/AnalyticalGraphicsInc/cesium/pull/6113)
+* Fixed Sandcastle Particle System example for better visual [#6132](https://github.com/AnalyticalGraphicsInc/cesium/pull/6132)
 
 ### 1.41 - 2018-01-02