diff --git a/popcorn/Assets/MyGame/Scenes/CornField/Scripts/PromoteGrowthButton.cs b/popcorn/Assets/MyGame/Scenes/CornField/Scripts/PromoteGrowthButton.cs
new file mode 100644
index 00000000..16d41928
--- /dev/null
+++ b/popcorn/Assets/MyGame/Scenes/CornField/Scripts/PromoteGrowthButton.cs
@@ -0,0 +1,27 @@
+using System;
+using UniRx;
+using UniRx.Triggers;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class PromoteGrowthButton : MonoBehaviour
+{
+    [SerializeField] private Button growthButton;
+    [SerializeField] private GameObject onObject;
+    [SerializeField] private GameObject offObject;
+
+    private void Start()
+    {
+        onObject.SetActive(false);
+        offObject.SetActive(true);
+        growthButton.OnPointerDownAsObservable()
+            .Select(_ => true)
+            .Merge(growthButton.OnPointerUpAsObservable().Select(_ => false))
+            .Pairwise()
+            .Subscribe(x =>
+            {
+                onObject.SetActive(x.Current);
+                offObject.SetActive(!x.Current);
+            }).AddTo(this);
+    }
+}
diff --git a/popcorn/Assets/MyGame/Scenes/CornField/Scripts/PromoteGrowthButton.cs.meta b/popcorn/Assets/MyGame/Scenes/CornField/Scripts/PromoteGrowthButton.cs.meta
new file mode 100644
index 00000000..e3810373
--- /dev/null
+++ b/popcorn/Assets/MyGame/Scenes/CornField/Scripts/PromoteGrowthButton.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 5700583b026d457ea83897470f6485ca
+timeCreated: 1626828650
\ No newline at end of file
diff --git a/popcorn/Assets/MyGame/Scenes/Main/Prefabs/Canvas.prefab b/popcorn/Assets/MyGame/Scenes/Main/Prefabs/Canvas.prefab
index 9e7755cc..5f2f452c 100644
--- a/popcorn/Assets/MyGame/Scenes/Main/Prefabs/Canvas.prefab
+++ b/popcorn/Assets/MyGame/Scenes/Main/Prefabs/Canvas.prefab
@@ -85,7 +85,6 @@ GameObject:
   - component: {fileID: 118497225}
   - component: {fileID: 118497228}
   - component: {fileID: 118497227}
-  - component: {fileID: 118497226}
   m_Layer: 5
   m_Name: Button_off
   m_TagString: Untagged
@@ -151,49 +150,6 @@ MonoBehaviour:
   m_FillOrigin: 0
   m_UseSpriteMesh: 0
   m_PixelsPerUnitMultiplier: 1
---- !u!114 &118497226
-MonoBehaviour:
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-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 118497224}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 4e29b1a8efbd4b44bb3f3716e73f07ff, type: 3}
-  m_Name: 
-  m_EditorClassIdentifier: 
-  m_Navigation:
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-    m_SelectOnUp: {fileID: 0}
-    m_SelectOnDown: {fileID: 0}
-    m_SelectOnLeft: {fileID: 0}
-    m_SelectOnRight: {fileID: 0}
-  m_Transition: 1
-  m_Colors:
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-    m_HighlightedColor: {r: 0.9607843, g: 0.9607843, b: 0.9607843, a: 1}
-    m_PressedColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 1}
-    m_SelectedColor: {r: 0.9607843, g: 0.9607843, b: 0.9607843, a: 1}
-    m_DisabledColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 0.5019608}
-    m_ColorMultiplier: 1
-    m_FadeDuration: 0.1
-  m_SpriteState:
-    m_HighlightedSprite: {fileID: 0}
-    m_PressedSprite: {fileID: 0}
-    m_SelectedSprite: {fileID: 0}
-    m_DisabledSprite: {fileID: 0}
-  m_AnimationTriggers:
-    m_NormalTrigger: Normal
-    m_HighlightedTrigger: Highlighted
-    m_PressedTrigger: Pressed
-    m_SelectedTrigger: Selected
-    m_DisabledTrigger: Disabled
-  m_Interactable: 1
-  m_TargetGraphic: {fileID: 118497227}
-  m_OnClick:
-    m_PersistentCalls:
-      m_Calls: []
 --- !u!1 &130281749
 GameObject:
   m_ObjectHideFlags: 0
@@ -203,6 +159,8 @@ GameObject:
   serializedVersion: 6
   m_Component:
   - component: {fileID: 130281750}
+  - component: {fileID: 6119163445458718855}
+  - component: {fileID: 7809777061605929427}
   m_Layer: 5
   m_Name: Button_growth
   m_TagString: Untagged
@@ -227,11 +185,69 @@ RectTransform:
   m_Father: {fileID: 3664916832844628215}
   m_RootOrder: 4
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 1, y: 0}
-  m_AnchorMax: {x: 1, y: 1}
-  m_AnchoredPosition: {x: -215, y: -212}
-  m_SizeDelta: {x: 100, y: -2108}
+  m_AnchorMin: {x: 0.5, y: 0.5}
+  m_AnchorMax: {x: 0.5, y: 0.5}
+  m_AnchoredPosition: {x: 373, y: -203}
+  m_SizeDelta: {x: 237.56934, y: 125.794174}
   m_Pivot: {x: 0.5, y: 0.5}
+--- !u!114 &6119163445458718855
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 130281749}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 5700583b026d457ea83897470f6485ca, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  growthButton: {fileID: 7809777061605929427}
+  onObject: {fileID: 2041305253}
+  offObject: {fileID: 118497224}
+--- !u!114 &7809777061605929427
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 130281749}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 4e29b1a8efbd4b44bb3f3716e73f07ff, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Navigation:
+    m_Mode: 3
+    m_SelectOnUp: {fileID: 0}
+    m_SelectOnDown: {fileID: 0}
+    m_SelectOnLeft: {fileID: 0}
+    m_SelectOnRight: {fileID: 0}
+  m_Transition: 0
+  m_Colors:
+    m_NormalColor: {r: 1, g: 1, b: 1, a: 1}
+    m_HighlightedColor: {r: 0.9607843, g: 0.9607843, b: 0.9607843, a: 1}
+    m_PressedColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 1}
+    m_SelectedColor: {r: 0.9607843, g: 0.9607843, b: 0.9607843, a: 1}
+    m_DisabledColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 0.5019608}
+    m_ColorMultiplier: 1
+    m_FadeDuration: 0.1
+  m_SpriteState:
+    m_HighlightedSprite: {fileID: 0}
+    m_PressedSprite: {fileID: 0}
+    m_SelectedSprite: {fileID: 0}
+    m_DisabledSprite: {fileID: 0}
+  m_AnimationTriggers:
+    m_NormalTrigger: Normal
+    m_HighlightedTrigger: Highlighted
+    m_PressedTrigger: Pressed
+    m_SelectedTrigger: Selected
+    m_DisabledTrigger: Disabled
+  m_Interactable: 1
+  m_TargetGraphic: {fileID: 0}
+  m_OnClick:
+    m_PersistentCalls:
+      m_Calls: []
 --- !u!1 &320398123
 GameObject:
   m_ObjectHideFlags: 0
@@ -807,7 +823,6 @@ GameObject:
   - component: {fileID: 2041305254}
   - component: {fileID: 2041305257}
   - component: {fileID: 2041305256}
-  - component: {fileID: 2041305255}
   m_Layer: 5
   m_Name: Button_push
   m_TagString: Untagged
@@ -873,49 +888,6 @@ MonoBehaviour:
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   m_UseSpriteMesh: 0
   m_PixelsPerUnitMultiplier: 1
---- !u!114 &2041305255
-MonoBehaviour:
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-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 2041305253}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 4e29b1a8efbd4b44bb3f3716e73f07ff, type: 3}
-  m_Name: 
-  m_EditorClassIdentifier: 
-  m_Navigation:
-    m_Mode: 3
-    m_SelectOnUp: {fileID: 0}
-    m_SelectOnDown: {fileID: 0}
-    m_SelectOnLeft: {fileID: 0}
-    m_SelectOnRight: {fileID: 0}
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-    m_SelectedSprite: {fileID: 0}
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-  m_AnimationTriggers:
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-    m_HighlightedTrigger: Highlighted
-    m_PressedTrigger: Pressed
-    m_SelectedTrigger: Selected
-    m_DisabledTrigger: Disabled
-  m_Interactable: 1
-  m_TargetGraphic: {fileID: 2041305256}
-  m_OnClick:
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