diff --git a/assets/sprites/engrenage.png b/assets/sprites/engrenage.png
new file mode 100755
index 0000000..8289d5d
Binary files /dev/null and b/assets/sprites/engrenage.png differ
diff --git a/assets/sprites/engrenage.png.import b/assets/sprites/engrenage.png.import
new file mode 100644
index 0000000..afc56d0
--- /dev/null
+++ b/assets/sprites/engrenage.png.import
@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://b1f05yx168iat"
+path="res://.godot/imported/engrenage.png-2ce1a5bc92d8e78e0457c705b66e279b.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/sprites/engrenage.png"
+dest_files=["res://.godot/imported/engrenage.png-2ce1a5bc92d8e78e0457c705b66e279b.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
diff --git a/assets/tilesets/etagere.png b/assets/tilesets/etagere.png
new file mode 100755
index 0000000..6e525ed
Binary files /dev/null and b/assets/tilesets/etagere.png differ
diff --git a/assets/tilesets/etagere.png.import b/assets/tilesets/etagere.png.import
new file mode 100644
index 0000000..e9d366c
--- /dev/null
+++ b/assets/tilesets/etagere.png.import
@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://b4v24viojafdc"
+path="res://.godot/imported/etagere.png-3620d806973b22e12bed1ed23045cd00.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/tilesets/etagere.png"
+dest_files=["res://.godot/imported/etagere.png-3620d806973b22e12bed1ed23045cd00.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
diff --git a/entities/items/engrenage/engrenage.gd b/entities/items/engrenage/engrenage.gd
new file mode 100644
index 0000000..c82518a
--- /dev/null
+++ b/entities/items/engrenage/engrenage.gd
@@ -0,0 +1,10 @@
+extends Area2D
+
+@export var item_id   : String = "engrenage"
+@export var item_name : String = "Engrenage"
+@export var prompt_text : String = "[E] Take"
+
+func interact() -> void:
+	GameState.add_item(item_id)
+	print("Ramassé : ", item_name)
+	queue_free()  # supprime l'item de la scène
diff --git a/entities/items/engrenage/engrenage.gd.uid b/entities/items/engrenage/engrenage.gd.uid
new file mode 100644
index 0000000..a76d508
--- /dev/null
+++ b/entities/items/engrenage/engrenage.gd.uid
@@ -0,0 +1 @@
+uid://dqijs5dhcpahu
diff --git a/entities/items/engrenage/engrenage.tscn b/entities/items/engrenage/engrenage.tscn
new file mode 100644
index 0000000..972809e
--- /dev/null
+++ b/entities/items/engrenage/engrenage.tscn
@@ -0,0 +1,23 @@
+[gd_scene format=3 uid="uid://cge56ob5tt4o6"]
+
+[ext_resource type="Script" uid="uid://ps4bl4k552ia" path="res://entities/items/item.gd" id="1_m0k53"]
+[ext_resource type="Texture2D" uid="uid://b1f05yx168iat" path="res://assets/sprites/engrenage.png" id="2_0b3f0"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_l3fek"]
+radius = 8.0
+
+[node name="Item" type="Node2D" unique_id=1691516870]
+
+[node name="Area2D" type="Area2D" parent="." unique_id=260230698]
+collision_layer = 8
+collision_mask = 0
+script = ExtResource("1_m0k53")
+
+[node name="Sprite2D" type="Sprite2D" parent="Area2D" unique_id=1835094462]
+scale = Vector2(0.5, 0.5)
+texture = ExtResource("2_0b3f0")
+region_enabled = true
+region_rect = Rect2(0, 0, 32, 32)
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Area2D" unique_id=1351590810]
+shape = SubResource("CircleShape2D_l3fek")
diff --git a/entities/items/item.gd b/entities/items/item.gd
index c82518a..5657c7b 100644
--- a/entities/items/item.gd
+++ b/entities/items/item.gd
@@ -7,4 +7,4 @@ extends Area2D
 func interact() -> void:
 	GameState.add_item(item_id)
 	print("Ramassé : ", item_name)
-	queue_free()  # supprime l'item de la scène
+	queue_free()
diff --git a/entities/items/pushable box/pushable_box.gd b/entities/items/pushable box/pushable_box.gd
new file mode 100644
index 0000000..c66cf4d
--- /dev/null
+++ b/entities/items/pushable box/pushable_box.gd	
@@ -0,0 +1,13 @@
+class_name PushableBox
+extends CharacterBody2D
+
+func _ready() -> void:
+	add_to_group("pushable")
+
+func try_push(direction: Vector2, tile_size: float) -> bool:
+	var motion := direction * tile_size
+	var collision := move_and_collide(motion)
+	if collision:
+		move_and_collide(-motion)
+		return false
+	return true
diff --git a/entities/items/pushable box/pushable_box.gd.uid b/entities/items/pushable box/pushable_box.gd.uid
new file mode 100644
index 0000000..3dae953
--- /dev/null
+++ b/entities/items/pushable box/pushable_box.gd.uid	
@@ -0,0 +1 @@
+uid://ghp173k2ioey
diff --git a/entities/items/pushable box/pushable_box.tscn b/entities/items/pushable box/pushable_box.tscn
new file mode 100644
index 0000000..ecfd7c3
--- /dev/null
+++ b/entities/items/pushable box/pushable_box.tscn	
@@ -0,0 +1,21 @@
+[gd_scene format=3 uid="uid://1x65ioo8tdro"]
+
+[ext_resource type="Texture2D" uid="uid://bbr6t3088svah" path="res://assets/tilesets/entrepot-tilesets.png" id="1_1rdxk"]
+[ext_resource type="Script" uid="uid://ghp173k2ioey" path="res://entities/items/pushable box/pushable_box.gd" id="1_cwr2g"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_cwr2g"]
+size = Vector2(26, 28)
+
+[node name="PushableBox" type="CharacterBody2D" unique_id=418482729]
+collision_layer = 32
+collision_mask = 33
+script = ExtResource("1_cwr2g")
+
+[node name="Sprite2D" type="Sprite2D" parent="." unique_id=1829584255]
+texture = ExtResource("1_1rdxk")
+region_enabled = true
+region_rect = Rect2(128, 64, 32, 32)
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="." unique_id=330974052]
+position = Vector2(0, -2)
+shape = SubResource("RectangleShape2D_cwr2g")
diff --git a/entities/npcs/vrac7/vrac7.gd b/entities/npcs/vrac7/vrac7.gd
index 025c0da..d855a89 100644
--- a/entities/npcs/vrac7/vrac7.gd
+++ b/entities/npcs/vrac7/vrac7.gd
@@ -118,7 +118,7 @@ func _on_repair_done() -> void:
 	var hud: HUD = get_tree().get_first_node_in_group("hud")
 	if hud:
 		hud.show_log("Unité VRAC-7 : réparation complète. Statut : opérationnel.")
-		await get_tree().create_timer(0.5).timeout
+		await get_tree().create_timer(3).timeout
 		hud.show_log("Clé magnétique obtenue. Accès atelier déverrouillé.")
 
 	# Dialogue post-réparation
diff --git a/entities/player/player.gd b/entities/player/player.gd
index d5fe6e0..ad33b07 100644
--- a/entities/player/player.gd
+++ b/entities/player/player.gd
@@ -1,9 +1,11 @@
 extends CharacterBody2D
 
 const SPEED := 120
+const TILE_SIZE := 16
 
 @onready var sprite := $AnimatedSprite2D
 @onready var interaction_area := $InteractionArea
+@onready var push_ray := $PushRay
 
 @onready var hud : HUD = get_tree().get_first_node_in_group("hud")
 
@@ -20,16 +22,40 @@ func _ready() -> void:
 	add_to_group("player")
 	interaction_area.area_entered.connect(_on_interaction_area_area_entered)
 	interaction_area.area_exited.connect(_on_interaction_area_area_exited)
+	if push_ray:
+		push_ray.target_position = Vector2(17, 0)
 
 func _physics_process(_delta: float) -> void:
+	if is_locked:
+		velocity = Vector2.ZERO
+		move_and_slide()
+		return
+		
 	var direction := Input.get_vector(
 		"move_left", "move_right", "move_up", "move_down"
 	)
+	
+	if push_ray and direction != Vector2.ZERO:
+		var dominant := _dominant_direction(direction)
+		push_ray.target_position = dominant * (TILE_SIZE / 2.0 + 1)
+		push_ray.force_raycast_update()
+
+		if push_ray.is_colliding():
+			var collider = push_ray.get_collider()
+			if collider is PushableBox:
+				collider.try_push(dominant, TILE_SIZE)
+	
 	velocity = direction * SPEED
 	move_and_slide()
 	position = position.round()
 	_update_animation(direction)
 	
+func _dominant_direction(dir: Vector2) -> Vector2:
+	if abs(dir.x) > abs(dir.y):
+		return Vector2(sign(dir.x), 0)
+	else:
+		return Vector2(0, sign(dir.y))
+	
 func _unhandled_input(event: InputEvent) -> void:
 	if event.is_action_pressed("interact") and interactable:
 		interactable.interact()
diff --git a/entities/player/player.tscn b/entities/player/player.tscn
index 6dd9a42..97274ef 100644
--- a/entities/player/player.tscn
+++ b/entities/player/player.tscn
@@ -509,7 +509,8 @@ animations = [{
 size = Vector2(45.375, 42.84375)
 
 [node name="CharacterBody2D" type="CharacterBody2D" unique_id=1424887591]
-collision_layer = 3
+collision_layer = 2
+collision_mask = 33
 script = ExtResource("1_fkugw")
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="." unique_id=2097287881]
@@ -534,3 +535,7 @@ collision_mask = 12
 position = Vector2(1, 9)
 shape = SubResource("RectangleShape2D_bectd")
 debug_color = Color(0.9411765, 0, 0.29411766, 0.19607843)
+
+[node name="PushRay" type="RayCast2D" parent="." unique_id=121926408]
+target_position = Vector2(32, 0)
+collision_mask = 32
diff --git a/levels/entrepot/entrepot.tscn b/levels/entrepot/entrepot.tscn
index 0e7c310..7a9d8af 100644
--- a/levels/entrepot/entrepot.tscn
+++ b/levels/entrepot/entrepot.tscn
@@ -6,7 +6,9 @@
 [ext_resource type="PackedScene" uid="uid://bb3olg2rlygdc" path="res://entities/npcs/vrac7/vrac7.tscn" id="3_jr8qv"]
 [ext_resource type="PackedScene" uid="uid://jrjxu1xfx0ud" path="res://ui/dialogue_box.tscn" id="5_s155k"]
 [ext_resource type="PackedScene" uid="uid://o7qrmpywwhu8" path="res://ui/hud.tscn" id="6_kejd5"]
-[ext_resource type="PackedScene" uid="uid://grs5ypwkxv3x" path="res://entities/items/item.tscn" id="6_srx2q"]
+[ext_resource type="PackedScene" uid="uid://cge56ob5tt4o6" path="res://entities/items/engrenage/engrenage.tscn" id="7_1p1pm"]
+[ext_resource type="PackedScene" uid="uid://1x65ioo8tdro" path="res://entities/items/pushable box/pushable_box.tscn" id="7_dm063"]
+[ext_resource type="PackedScene" uid="uid://c52luh50w8hi2" path="res://levels/unlock_zone.tscn" id="8_dm063"]
 
 [sub_resource type="TileSetAtlasSource" id="TileSetAtlasSource_n70cd"]
 texture = ExtResource("1_qvgxo")
@@ -149,7 +151,6 @@ sources/0 = SubResource("TileSetAtlasSource_n70cd")
 script = ExtResource("1_ptc2q")
 
 [node name="Hud" parent="." unique_id=1774402684 instance=ExtResource("6_kejd5")]
-position = Vector2(199, 301)
 
 [node name="DialogueBox" parent="." unique_id=1374394268 instance=ExtResource("5_s155k")]
 position = Vector2(-118, 137)
@@ -196,8 +197,20 @@ tile_set = SubResource("TileSet_jr8qv")
 [node name="Other" type="TileMapLayer" parent="Map" unique_id=985720640]
 tile_set = SubResource("TileSet_jr8qv")
 
-[node name="Item" parent="Map" unique_id=1691516870 instance=ExtResource("6_srx2q")]
-position = Vector2(136, 263)
+[node name="Engrenage" parent="Map" unique_id=46489013 instance=ExtResource("7_1p1pm")]
+position = Vector2(167, 263)
+
+[node name="HiddenEngrenage" parent="Map" unique_id=1691516870 instance=ExtResource("7_1p1pm")]
+visible = false
+position = Vector2(455, 328)
+
+[node name="PushableBox" parent="Map" unique_id=418482729 instance=ExtResource("7_dm063")]
+position = Vector2(392, 420)
+
+[node name="UnlockZone" parent="Map" unique_id=448954065 instance=ExtResource("8_dm063")]
+position = Vector2(458, 376)
+scale = Vector2(5, 6.5)
+node_to_reveal = NodePath("../HiddenEngrenage")
 
 [node name="Player" parent="." unique_id=628518902 instance=ExtResource("2_n70cd")]
 z_index = 1
diff --git a/levels/unlock_zone.gd b/levels/unlock_zone.gd
new file mode 100644
index 0000000..a1db370
--- /dev/null
+++ b/levels/unlock_zone.gd
@@ -0,0 +1,26 @@
+class_name UnlockZone
+extends Area2D
+
+@export var flag_to_set: String = ""
+@export var node_to_reveal: NodePath = NodePath("") 
+
+var _triggered := false
+
+func _ready() -> void:
+	body_entered.connect(_on_body_entered)
+
+func _on_body_entered(body: Node) -> void:
+	if _triggered:
+		return
+	if not body.is_in_group("pushable"):
+		return
+
+	_triggered = true
+
+	if flag_to_set != "":
+		GameState.set_flag(flag_to_set, true)
+
+	if not node_to_reveal.is_empty():
+		var node = get_node_or_null(node_to_reveal)
+		if node:
+			node.show()
diff --git a/levels/unlock_zone.gd.uid b/levels/unlock_zone.gd.uid
new file mode 100644
index 0000000..838120e
--- /dev/null
+++ b/levels/unlock_zone.gd.uid
@@ -0,0 +1 @@
+uid://bp7xyba18cvpj
diff --git a/levels/unlock_zone.tscn b/levels/unlock_zone.tscn
new file mode 100644
index 0000000..88a7220
--- /dev/null
+++ b/levels/unlock_zone.tscn
@@ -0,0 +1,13 @@
+[gd_scene format=3 uid="uid://c52luh50w8hi2"]
+
+[ext_resource type="Script" uid="uid://bp7xyba18cvpj" path="res://levels/unlock_zone.gd" id="1_s6vo7"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_ucfsg"]
+
+[node name="UnlockZone" type="Area2D" unique_id=448954065]
+collision_layer = 16
+collision_mask = 32
+script = ExtResource("1_s6vo7")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="." unique_id=1908169056]
+shape = SubResource("RectangleShape2D_ucfsg")
diff --git a/ui/hud.tscn b/ui/hud.tscn
index be12a01..3981c94 100644
--- a/ui/hud.tscn
+++ b/ui/hud.tscn
@@ -1,6 +1,7 @@
 [gd_scene format=3 uid="uid://o7qrmpywwhu8"]
 
 [ext_resource type="Script" uid="uid://bmqknwqr5mtd6" path="res://ui/hud.gd" id="1_rbyyf"]
+[ext_resource type="Texture2D" uid="uid://b1f05yx168iat" path="res://assets/sprites/engrenage.png" id="2_276te"]
 
 [sub_resource type="StyleBoxFlat" id="StyleBoxFlat_rbyyf"]
 bg_color = Color(0.101960786, 0.101960786, 0.101960786, 0.84705883)
@@ -37,6 +38,7 @@ layout_mode = 2
 
 [node name="Icon" type="TextureRect" parent="InventoryBar/ItemRow/EngrenageSlot" unique_id=1231030010]
 layout_mode = 2
+texture = ExtResource("2_276te")
 
 [node name="Count" type="Label" parent="InventoryBar/ItemRow/EngrenageSlot" unique_id=1232241990]
 layout_mode = 2