diff --git a/POINT-VR-Chapter-1/Assets/POINT/Scenes/Conference Demos/ConfDemo_part3_ranking-masses.unity b/POINT-VR-Chapter-1/Assets/POINT/Scenes/Conference Demos/ConfDemo_part3_ranking-masses.unity
index 1eca548a..5b01fc59 100644
--- a/POINT-VR-Chapter-1/Assets/POINT/Scenes/Conference Demos/ConfDemo_part3_ranking-masses.unity	
+++ b/POINT-VR-Chapter-1/Assets/POINT/Scenes/Conference Demos/ConfDemo_part3_ranking-masses.unity	
@@ -38,7 +38,7 @@ RenderSettings:
   m_ReflectionIntensity: 1
   m_CustomReflection: {fileID: 0}
   m_Sun: {fileID: 0}
-  m_IndirectSpecularColor: {r: 0.00695631, g: 0.006819715, b: 0.0073051304, a: 1}
+  m_IndirectSpecularColor: {r: 0.0068936315, g: 0.0067525106, b: 0.0071824407, a: 1}
   m_UseRadianceAmbientProbe: 0
 --- !u!157 &3
 LightmapSettings:
@@ -4512,6 +4512,12 @@ MonoBehaviour:
   Task2UIContainer: {fileID: 1170312373}
   openMenuReference: {fileID: 1753721387454739837, guid: a54d6349e0e4d404fa09e1c0531de6d0,
     type: 3}
+  sortedMassSpheres:
+  - {fileID: 520505893}
+  - {fileID: 438627078}
+  - {fileID: 1447806103}
+  - {fileID: 2118528859}
+  - {fileID: 665559182}
   objective1:
     m_TableReference:
       m_TableCollectionName: GUID:ea97502b36f6cd149b6a571be6e2583f
diff --git a/POINT-VR-Chapter-1/Assets/POINT/Scenes/Conference Demos/ConfDemo_part3_ranking_masses.cs b/POINT-VR-Chapter-1/Assets/POINT/Scenes/Conference Demos/ConfDemo_part3_ranking_masses.cs
index b0eca58e..5ac1f395 100644
--- a/POINT-VR-Chapter-1/Assets/POINT/Scenes/Conference Demos/ConfDemo_part3_ranking_masses.cs	
+++ b/POINT-VR-Chapter-1/Assets/POINT/Scenes/Conference Demos/ConfDemo_part3_ranking_masses.cs	
@@ -3,6 +3,7 @@
 using TMPro;
 using UnityEngine.Localization;
 using UnityEngine.InputSystem;
+using System.Collections.Generic;
 
 public class ConfDemo_part3_ranking_masses : MonoBehaviour
 {
@@ -14,6 +15,8 @@ public class ConfDemo_part3_ranking_masses : MonoBehaviour
     [SerializeField] private GameObject TaskUIContainer;
     [SerializeField] private GameObject Task2UIContainer;
     [SerializeField] private InputActionReference openMenuReference;
+    [SerializeField] private List<GameObject> sortedMassSpheres = new List<GameObject>(5);
+
 
     [Header("Instructions Text")]
     [SerializeField] private LocalizedString objective1;
@@ -91,6 +94,10 @@ public void PlayRadiiTask()
     {
         // Called in the OnCast() in the Task1 UI -> Next Task Button, once they click to continue to Task 2
         UIManagerScript.UpdateCurrentObjective(objective2); // Rank different radii, same mass
+        foreach (GameObject sphere in sortedMassSpheres)
+        {
+            sphere.SetActive(false);
+        }
         StartCoroutine(RadiiTaskAudio());
     }