diff --git a/Assets/Resources/UIs/PanelMain.prefab b/Assets/Resources/UIs/PanelMain.prefab
index 116329fe..9f1d54fb 100644
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diff --git a/Assets/Scenes/Main.unity b/Assets/Scenes/Main.unity
index 4dd742dc..1aad50ba 100644
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diff --git a/Assets/Scripts/UI/CustomControl/SoundBubble.cs b/Assets/Scripts/UI/CustomControl/SoundBubble.cs
new file mode 100644
index 00000000..66800470
--- /dev/null
+++ b/Assets/Scripts/UI/CustomControl/SoundBubble.cs
@@ -0,0 +1,37 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using DG.Tweening;
+
+public class SoundBubble : MonoBehaviour
+{
+    [SerializeField] Image[] mImgBubbles;
+    [SerializeField] float mRadius = 120;
+
+    public void Show(int pLevelID)
+    {
+        Vector2 tStartPos = Quaternion.AngleAxis(Random.Range(0, 360), Vector3.back) * (Vector2.up * mRadius);
+        for (int i = 0; i < mImgBubbles.Length; i++)
+        {
+            mImgBubbles[i].sprite = ResourceManager.Instance.LoadRes<Sprite>(Const.Path.GetSoundPic(pLevelID, i));
+            mImgBubbles[i].color = Color.white;
+            mImgBubbles[i].rectTransform.anchoredPosition = Vector2.zero;
+            mImgBubbles[i].rectTransform.localScale = Vector3.zero;
+
+            mImgBubbles[i].rectTransform.DOAnchorPos(Quaternion.AngleAxis(120 * i, Vector3.back) * tStartPos, 0.3f).SetEase(Ease.OutBack);
+            mImgBubbles[i].rectTransform.DOScale(Vector3.one, 0.3f).SetEase(Ease.OutBack);
+        }
+    }
+
+    public void Hide()
+    {
+        for (int i = 0; i < mImgBubbles.Length; i++)
+        {
+            mImgBubbles[i].DOFade(0, 0.8f).SetEase(Ease.Linear);
+            mImgBubbles[i].rectTransform.DOScale(Vector3.one * 1.1f, 0.8f).SetEase(Ease.InBack);
+        }
+
+        Destroy(gameObject, 1);
+    }
+}
\ No newline at end of file
diff --git a/Assets/Scripts/UI/CustomControl/SoundBubble.cs.meta b/Assets/Scripts/UI/CustomControl/SoundBubble.cs.meta
new file mode 100644
index 00000000..4c6b12a4
--- /dev/null
+++ b/Assets/Scripts/UI/CustomControl/SoundBubble.cs.meta
@@ -0,0 +1,11 @@
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+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scripts/UI/PanelMain.cs b/Assets/Scripts/UI/PanelMain.cs
index 99d2d391..3e92f084 100644
--- a/Assets/Scripts/UI/PanelMain.cs
+++ b/Assets/Scripts/UI/PanelMain.cs
@@ -9,6 +9,9 @@ public class PanelMain : BasePanel
     [SerializeField] float[] mIconPosX;
     [SerializeField] Image[] mImgLevelIcons;
 
+    [SerializeField] Transform mCtnBubble;
+    [SerializeField] GameObject mTplBubble;
+
     [SerializeField] Button mBtnLast;
     [SerializeField] Button mBtnNext;
 
@@ -27,6 +30,8 @@ public class PanelMain : BasePanel
     private bool mIsRolling = false;
     private TimerUnit mRollTimer;
 
+    private SoundBubble mCurrentBubble;
+
     private const float FIX_DURATION = 0.2f;
     private const float FIX_WAIT = 10;
 
@@ -112,11 +117,13 @@ public class PanelMain : BasePanel
 
         for (int i = 1; i < mLevelIconList.Count - 1; i++)
         {
-            mLevelIconList[i].GetComponent<RectTransform>().DOKill();
-            mLevelIconList[i].GetComponent<RectTransform>().DOAnchorPosX(mIconPosX[i], FIX_DURATION).SetEase(Ease.OutSine);
+            mLevelIconList[i].rectTransform.DOKill();
+            mLevelIconList[i].rectTransform.DOAnchorPosX(mIconPosX[i], FIX_DURATION).SetEase(Ease.OutSine);
         }
 
         mRollTimer.StartTimer(Waft, FIX_WAIT);
+
+        ShowBubble();
     }
 
     private void Waft()
@@ -126,8 +133,8 @@ public class PanelMain : BasePanel
 
         for (int i = 1; i < mLevelIconList.Count - 1; i++)
         {
-            mLevelIconList[i].GetComponent<RectTransform>().DOKill();
-            mLevelIconList[i].GetComponent<RectTransform>().DOAnchorPosX(mIconPosX[i] + mWaftDir * 80, WAFT_DURATION).SetEase(Ease.Linear);
+            mLevelIconList[i].rectTransform.DOKill();
+            mLevelIconList[i].rectTransform.DOAnchorPosX(mIconPosX[i] + mWaftDir * 80, WAFT_DURATION).SetEase(Ease.Linear);
         }
 
         if (mWaftDir == 1)
@@ -155,13 +162,14 @@ public class PanelMain : BasePanel
             int tLastIndex = (i - 1) % mLevelIconList.Count;
 
             mLevelIconList[tLastIndex] = mLevelIconList[i];
-            mLevelIconList[tLastIndex].GetComponent<RectTransform>().DOKill();
-            mLevelIconList[tLastIndex].GetComponent<RectTransform>().DOAnchorPosX(mIconPosX[tLastIndex], ROLL_DURATION).SetEase(Ease.OutSine);
+            mLevelIconList[tLastIndex].rectTransform.DOKill();
+            mLevelIconList[tLastIndex].rectTransform.DOAnchorPosX(mIconPosX[tLastIndex], ROLL_DURATION).SetEase(Ease.OutSine);
         }
         mLevelIconList[mLevelIconList.Count - 1] = tStartImg;
         mLevelIconList[mLevelIconList.Count - 1].sprite = ResourceManager.Instance.LoadRes<Sprite>(Const.Path.GetLevelIconBig(GameConfig.Instance.LevelSort[mLevelList[mLevelIconList.Count - 1] - 1]));
-        mLevelIconList[mLevelIconList.Count - 1].GetComponent<RectTransform>().anchoredPosition = new Vector2(mIconPosX[mLevelIconList.Count - 1], 0);
+        mLevelIconList[mLevelIconList.Count - 1].rectTransform.anchoredPosition = new Vector2(mIconPosX[mLevelIconList.Count - 1], 0);
 
+        HideBubble();
         mRollTimer.StartTimer(RollOver, ROLL_DURATION);
     }
 
@@ -180,13 +188,14 @@ public class PanelMain : BasePanel
             int tNextIndex = (i + 1) % mLevelIconList.Count;
 
             mLevelIconList[tNextIndex] = mLevelIconList[i];
-            mLevelIconList[tNextIndex].GetComponent<RectTransform>().DOKill();
-            mLevelIconList[tNextIndex].GetComponent<RectTransform>().DOAnchorPosX(mIconPosX[tNextIndex], ROLL_DURATION).SetEase(Ease.OutSine);
+            mLevelIconList[tNextIndex].rectTransform.DOKill();
+            mLevelIconList[tNextIndex].rectTransform.DOAnchorPosX(mIconPosX[tNextIndex], ROLL_DURATION).SetEase(Ease.OutSine);
         }
         mLevelIconList[0] = tEndImg;
         mLevelIconList[0].sprite = ResourceManager.Instance.LoadRes<Sprite>(Const.Path.GetLevelIconBig(GameConfig.Instance.LevelSort[mLevelList[0] - 1]));
-        mLevelIconList[0].GetComponent<RectTransform>().anchoredPosition = new Vector2(mIconPosX[0], 0);
+        mLevelIconList[0].rectTransform.anchoredPosition = new Vector2(mIconPosX[0], 0);
 
+        HideBubble();
         mRollTimer.StartTimer(RollOver, ROLL_DURATION);
     }
 
@@ -194,6 +203,29 @@ public class PanelMain : BasePanel
     {
         mIsRolling = false;
         mRollTimer.StartTimer(Waft, mIsWafting ? -1 : FIX_WAIT);
+
+        ShowBubble();
+    }
+
+    private void ShowBubble()
+    {
+        HideBubble();
+
+        mCurrentBubble = Instantiate(mTplBubble, mCtnBubble).GetComponent<SoundBubble>();
+        mCurrentBubble.gameObject.SetActive(true);
+        mCurrentBubble.GetComponent<RectTransform>().anchoredPosition = Vector2.zero;
+        mCurrentBubble.transform.localScale = Vector3.one;
+
+        mCurrentBubble.Show(mLevelList[FOCUS_IDX]);
+    }
+
+    private void HideBubble()
+    {
+        if (mCurrentBubble != null)
+        {
+            mCurrentBubble.Hide();
+            mCurrentBubble = null;
+        }
     }
 
     private void OnClickLast()