diff --git a/assets/themes/dark/icons/spinbox.png b/assets/themes/dark/icons/spinbox.png
new file mode 100644
index 000000000..bf8670e0a
Binary files /dev/null and b/assets/themes/dark/icons/spinbox.png differ
diff --git a/assets/themes/dark/icons/spinbox.png.import b/assets/themes/dark/icons/spinbox.png.import
new file mode 100644
index 000000000..f011333ff
--- /dev/null
+++ b/assets/themes/dark/icons/spinbox.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/spinbox.png-db435fcd46b95ff41e6b2b17aece2be9.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/themes/dark/icons/spinbox.png"
+dest_files=[ "res://.import/spinbox.png-db435fcd46b95ff41e6b2b17aece2be9.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=false
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0
diff --git a/assets/themes/dark/theme.tres b/assets/themes/dark/theme.tres
index 8e1df4558..ffb8d4f48 100644
--- a/assets/themes/dark/theme.tres
+++ b/assets/themes/dark/theme.tres
@@ -1,10 +1,11 @@
-[gd_resource type="Theme" load_steps=41 format=2]
+[gd_resource type="Theme" load_steps=42 format=2]
 
 [ext_resource path="res://assets/fonts/Roboto-Regular.tres" type="DynamicFont" id=1]
 [ext_resource path="res://assets/themes/dark/icons/grabber.png" type="Texture" id=2]
 [ext_resource path="res://assets/themes/dark/icons/grabber_hover.png" type="Texture" id=3]
 [ext_resource path="res://assets/themes/dark/icons/hsplit.png" type="Texture" id=4]
 [ext_resource path="res://assets/themes/dark/icons/vsplit.png" type="Texture" id=5]
+[ext_resource path="res://assets/themes/dark/icons/spinbox.png" type="Texture" id=6]
 
 [sub_resource type="StyleBoxFlat" id=1]
 content_margin_left = 5.0
@@ -487,7 +488,7 @@ PopupMenu/styles/panel = SubResource( 23 )
 PopupMenu/styles/panel_disabled = null
 PopupMenu/styles/separator = null
 PopupPanel/styles/panel = SubResource( 24 )
-SpinBox/icons/updown = null
+SpinBox/icons/updown = ExtResource( 6 )
 TabContainer/colors/font_color_bg = Color( 0.690196, 0.690196, 0.690196, 1 )
 TabContainer/colors/font_color_disabled = Color( 0.9, 0.9, 0.9, 0.2 )
 TabContainer/colors/font_color_fg = Color( 0.941176, 0.941176, 0.941176, 1 )
diff --git a/assets/themes/gold/theme.tres b/assets/themes/gold/theme.tres
index 82e616eee..ee8b90319 100644
--- a/assets/themes/gold/theme.tres
+++ b/assets/themes/gold/theme.tres
@@ -1,10 +1,11 @@
-[gd_resource type="Theme" load_steps=36 format=2]
+[gd_resource type="Theme" load_steps=37 format=2]
 
 [ext_resource path="res://assets/themes/light/icons/hsplit.png" type="Texture" id=1]
 [ext_resource path="res://assets/themes/light/icons/grabber.png" type="Texture" id=2]
 [ext_resource path="res://assets/themes/light/icons/grabber_hover.png" type="Texture" id=3]
 [ext_resource path="res://assets/themes/light/icons/vsplit.png" type="Texture" id=4]
 [ext_resource path="res://assets/fonts/Roboto-Regular.tres" type="DynamicFont" id=5]
+[ext_resource path="res://assets/themes/light/icons/spinbox.png" type="Texture" id=6]
 
 [sub_resource type="StyleBoxFlat" id=1]
 content_margin_left = 5.0
@@ -435,7 +436,7 @@ PopupMenu/styles/panel = SubResource( 20 )
 PopupMenu/styles/panel_disabled = null
 PopupMenu/styles/separator = null
 PopupPanel/styles/panel = SubResource( 21 )
-SpinBox/icons/updown = null
+SpinBox/icons/updown = ExtResource( 6 )
 TabContainer/colors/font_color_bg = Color( 0, 0, 0, 1 )
 TabContainer/colors/font_color_disabled = Color( 0.9, 0.9, 0.9, 0.2 )
 TabContainer/colors/font_color_fg = Color( 0, 0, 0, 1 )
diff --git a/assets/themes/gray/theme.tres b/assets/themes/gray/theme.tres
index 4dfd28df3..9f9280a31 100644
--- a/assets/themes/gray/theme.tres
+++ b/assets/themes/gray/theme.tres
@@ -1,8 +1,9 @@
-[gd_resource type="Theme" load_steps=36 format=2]
+[gd_resource type="Theme" load_steps=37 format=2]
 
 [ext_resource path="res://assets/fonts/Roboto-Regular.tres" type="DynamicFont" id=1]
 [ext_resource path="res://assets/themes/dark/icons/grabber.png" type="Texture" id=2]
 [ext_resource path="res://assets/themes/dark/icons/grabber_hover.png" type="Texture" id=3]
+[ext_resource path="res://assets/themes/dark/icons/spinbox.png" type="Texture" id=4]
 
 [sub_resource type="StyleBoxFlat" id=1]
 content_margin_left = 5.0
@@ -442,7 +443,7 @@ PopupMenu/styles/panel = SubResource( 22 )
 PopupMenu/styles/panel_disabled = null
 PopupMenu/styles/separator = null
 PopupPanel/styles/panel = SubResource( 23 )
-SpinBox/icons/updown = null
+SpinBox/icons/updown = ExtResource( 4 )
 TabContainer/colors/font_color_bg = Color( 0.690196, 0.690196, 0.690196, 1 )
 TabContainer/colors/font_color_disabled = Color( 0.9, 0.9, 0.9, 0.2 )
 TabContainer/colors/font_color_fg = Color( 0.941176, 0.941176, 0.941176, 1 )
diff --git a/assets/themes/light/icons/spinbox.png b/assets/themes/light/icons/spinbox.png
new file mode 100644
index 000000000..e0553d46a
Binary files /dev/null and b/assets/themes/light/icons/spinbox.png differ
diff --git a/assets/themes/light/icons/spinbox.png.import b/assets/themes/light/icons/spinbox.png.import
new file mode 100644
index 000000000..ceb81f364
--- /dev/null
+++ b/assets/themes/light/icons/spinbox.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/spinbox.png-d344968329ae29b64e56a477dcbd82f4.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/themes/light/icons/spinbox.png"
+dest_files=[ "res://.import/spinbox.png-d344968329ae29b64e56a477dcbd82f4.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=false
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0
diff --git a/assets/themes/light/theme.tres b/assets/themes/light/theme.tres
index 6d612d3dc..1c8195209 100644
--- a/assets/themes/light/theme.tres
+++ b/assets/themes/light/theme.tres
@@ -1,10 +1,11 @@
-[gd_resource type="Theme" load_steps=38 format=2]
+[gd_resource type="Theme" load_steps=39 format=2]
 
 [ext_resource path="res://assets/themes/light/icons/hsplit.png" type="Texture" id=1]
 [ext_resource path="res://assets/themes/light/icons/grabber.png" type="Texture" id=2]
 [ext_resource path="res://assets/themes/light/icons/grabber_hover.png" type="Texture" id=3]
 [ext_resource path="res://assets/themes/light/icons/vsplit.png" type="Texture" id=4]
 [ext_resource path="res://assets/fonts/Roboto-Regular.tres" type="DynamicFont" id=5]
+[ext_resource path="res://assets/themes/light/icons/spinbox.png" type="Texture" id=6]
 
 [sub_resource type="StyleBoxFlat" id=1]
 content_margin_left = 5.0
@@ -458,7 +459,7 @@ PopupMenu/styles/panel = SubResource( 22 )
 PopupMenu/styles/panel_disabled = null
 PopupMenu/styles/separator = null
 PopupPanel/styles/panel = SubResource( 23 )
-SpinBox/icons/updown = null
+SpinBox/icons/updown = ExtResource( 6 )
 TabContainer/colors/font_color_bg = Color( 0, 0, 0, 1 )
 TabContainer/colors/font_color_disabled = Color( 0.9, 0.9, 0.9, 0.2 )
 TabContainer/colors/font_color_fg = Color( 0, 0, 0, 1 )