diff --git a/Characters/Player/Player.gd b/Characters/Player/Player.gd
index 03d0475..1250da4 100644
--- a/Characters/Player/Player.gd
+++ b/Characters/Player/Player.gd
@@ -25,6 +25,8 @@ var _dir = Vector3();
 var _vel = Vector3();
 var _is_sprinting;
 var _prev_look;
+# TODO: move to global
+var _inventory: Control
 
 
 func _ready():
@@ -38,6 +40,8 @@ func _ready():
 	
 	# TODO: move to Designer:
 	ui_interact_nodepath = get_node("HUD").get_node("PressInteract").get_path()
+	
+	_inventory = get_node("HUD")
 
 
 func _physics_process(delta):
@@ -114,6 +118,7 @@ func check_interact():
 			#do interaction
 			if Input.is_action_just_pressed("interact"):
 				collider.do_interact(self)
+				_inventory.add_item(collider.name)
 		else:
 			#stop showing interact tooltip
 			get_node(ui_interact_nodepath).hide()
diff --git a/Characters/Player/UI/UI.gd b/Characters/Player/UI/UI.gd
index b72bd13..1c8770f 100644
--- a/Characters/Player/UI/UI.gd
+++ b/Characters/Player/UI/UI.gd
@@ -1,14 +1,32 @@
 extends Control
 
 var _container: GridContainer
+var _labelPillLevel: Label
+var _pillLevel: TextureProgress
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
-	_container = get_node("GridContainer");
-	pass # Replace with function body.
+	_container = get_node("InventoryContainer")
+	_labelPillLevel = get_node("PillLevel")
+	_pillLevel = get_node("TextureProgress")
+	
+	# TODO: may use global values in Inspector?
+	_pillLevel.max_value = Pills._max
 
 
-func add_Item ():
+func add_item (name):
+	Logger.info("Adding item \"" + name + "\" to inventory")
 	#TODO: global member for inventory?
-	Node item = new Node();
-	_container.add_child(item)
\ No newline at end of file
+	var text = Texture.new()
+	if name == "Key":
+		text = load("res://Models/key/key.png")
+	elif name == "Keycard":
+		text = load("res://Models/keycard/keycard.png")
+	
+	var rect = TextureRect.new()
+	rect.texture = text
+	_container.add_child(rect)
+
+func _process(delta):
+	_labelPillLevel.text = "curLevel: " + String(Pills._level)
+	_pillLevel.value = Pills._level
\ No newline at end of file
diff --git a/Characters/Player/UI/UI.tscn b/Characters/Player/UI/UI.tscn
index 47a48fe..52126ae 100644
--- a/Characters/Player/UI/UI.tscn
+++ b/Characters/Player/UI/UI.tscn
@@ -1,12 +1,13 @@
-[gd_scene load_steps=2 format=2]
+[gd_scene load_steps=3 format=2]
 
 [ext_resource path="res://Characters/Player/UI/UI.gd" type="Script" id=1]
+[ext_resource path="res://Things/ReusableMaterials/pillLevel_fill.png" type="Texture" id=2]
 
 [node name="HUD" type="Control"]
 anchor_right = 1.0
 anchor_bottom = 1.0
-margin_left = 5.12134
-margin_right = 5.12134
+margin_left = 10.2837
+margin_right = 10.2837
 script = ExtResource( 1 )
 
 [node name="PressInteract" type="Label" parent="."]
@@ -16,9 +17,22 @@ margin_right = 569.005
 margin_bottom = 529.582
 text = "Press E to interact"
 
-[node name="GridContainer" type="GridContainer" parent="."]
+[node name="InventoryContainer" type="GridContainer" parent="."]
 margin_left = 868.0
 margin_top = 48.0
-margin_right = 1000.0
-margin_bottom = 491.0
-columns = 3
+margin_right = 1007.0
+margin_bottom = 565.0
+
+[node name="PillLevel" type="Label" parent="."]
+margin_right = 40.0
+margin_bottom = 14.0
+
+[node name="TextureProgress" type="TextureProgress" parent="."]
+margin_left = -0.571533
+margin_top = 24.7845
+margin_right = 247.428
+margin_bottom = 64.7845
+max_value = 6.0
+step = 0.1
+value = 6.0
+texture_progress = ExtResource( 2 )
diff --git a/Models/key/key.png b/Models/key/key.png
new file mode 100644
index 0000000..1f5cc08
Binary files /dev/null and b/Models/key/key.png differ
diff --git a/Models/key/key.png.import b/Models/key/key.png.import
new file mode 100644
index 0000000..5585ad3
--- /dev/null
+++ b/Models/key/key.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/key.png-abaafa745205ccd95a158b352a19e47b.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Models/key/key.png"
+dest_files=[ "res://.import/key.png-abaafa745205ccd95a158b352a19e47b.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=true
+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/Models/keycard/keycard.png b/Models/keycard/keycard.png
new file mode 100644
index 0000000..42887c4
Binary files /dev/null and b/Models/keycard/keycard.png differ
diff --git a/Models/keycard/keycard.png.import b/Models/keycard/keycard.png.import
new file mode 100644
index 0000000..0ade35e
--- /dev/null
+++ b/Models/keycard/keycard.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/keycard.png-ccb60db0ca109718910ca2cd9f03027c.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Models/keycard/keycard.png"
+dest_files=[ "res://.import/keycard.png-ccb60db0ca109718910ca2cd9f03027c.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=true
+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/Things/ReusableMaterials/pillLevel_fill.png b/Things/ReusableMaterials/pillLevel_fill.png
new file mode 100644
index 0000000..7078d3d
Binary files /dev/null and b/Things/ReusableMaterials/pillLevel_fill.png differ
diff --git a/Things/ReusableMaterials/pillLevel_fill.png.import b/Things/ReusableMaterials/pillLevel_fill.png.import
new file mode 100644
index 0000000..276d2a2
--- /dev/null
+++ b/Things/ReusableMaterials/pillLevel_fill.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/pillLevel_fill.png-fdb431190d360a95b9350b24d68930cb.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Things/ReusableMaterials/pillLevel_fill.png"
+dest_files=[ "res://.import/pillLevel_fill.png-fdb431190d360a95b9350b24d68930cb.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=true
+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/project.godot b/project.godot
index dc32936..053a578 100644
--- a/project.godot
+++ b/project.godot
@@ -110,6 +110,7 @@ move_sprint={
 take_pill={
 "deadzone": 0.5,
 "events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":82,"unicode":0,"echo":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":70,"unicode":0,"echo":false,"script":null)
  ]
 }
 interact={