diff --git a/sonic-radiance.love/birb/modules/gui/elements/parent.lua b/sonic-radiance.love/birb/modules/gui/elements/parent.lua
index ad6ee1d..7b5f9e1 100644
--- a/sonic-radiance.love/birb/modules/gui/elements/parent.lua
+++ b/sonic-radiance.love/birb/modules/gui/elements/parent.lua
@@ -1,6 +1,8 @@
 local Rect = require "birb.classes.2D.rect"
 local GuiElement = Rect:extend()
 
+local TweenManager = require "birb.classes.time"
+
 function GuiElement:new(name, x, y, w, h)
     GuiElement.super.new(self, x, y, w, h)
     self.name = name
@@ -10,6 +12,8 @@ function GuiElement:new(name, x, y, w, h)
 
     self.depth = 0
 
+    self.tweens = TweenManager(self)
+
     self:register()
 end
 
@@ -73,6 +77,7 @@ end
 -- External update function
 function GuiElement:updateElement(dt)
     self:update(dt)
+    self.tweens:update(dt)
 end
 
 -- Internal update function
@@ -80,6 +85,21 @@ function GuiElement:update(dt)
     -- Cette fonction ne contient rien par défaut
 end
 
+-- TWEEN FUNCTIONS
+-- Handle tweening
+
+function GuiElement:newTween(start, duration, target, easing)
+    self.tweens:newTween(start, duration, target, easing)
+end
+
+function GuiElement:newMovement(start, duration, x, y, easing)
+    self:newTween(start, duration, {x = x, y = y}, easing)
+end
+
+function GuiElement:newSwitch(start, bools)
+    self:newSwitch(start, bools)
+end
+
 -- DRAW FUNCTIONS
 -- Draw the menu and its content
 
diff --git a/sonic-radiance.love/birb/modules/gui/init.lua b/sonic-radiance.love/birb/modules/gui/init.lua
index 06319f0..ebccac2 100644
--- a/sonic-radiance.love/birb/modules/gui/init.lua
+++ b/sonic-radiance.love/birb/modules/gui/init.lua
@@ -40,13 +40,28 @@ function Gui:reset()
 end
 
 function Gui:update(dt)
-    for _, element in ipairs(self.elements) do
+    for _, element in pairs(self.elements) do
         if (element ~= nil) then
             element:updateElement(dt)
         end
     end
 end
 
+-- TWEEN FUNCTIONS
+-- Handle tweening
+
+function Gui:newTween(element, start, duration, target, easing)
+    self.elements[element]:newTween(start, duration, target, easing)
+end
+
+function Gui:newMovement(element, start, duration, x, y, easing)
+    self.elements[element]:newMovement(start, duration, x, y, easing)
+end
+
+function Gui:newSwitch(element, start, bools)
+    self.elements[element]:newSwitch(start, bools)
+end
+
 -- DRAW FUNCTIONS
 -- Draw the menu and its content