diff --git a/data/coin.tres b/data/coin.tres
new file mode 100644
index 0000000..bddf69e
--- /dev/null
+++ b/data/coin.tres
@@ -0,0 +1,13 @@
+[gd_resource type="Resource" script_class="InventoryItem" load_steps=3 format=3 uid="uid://dbxrlw5ggh67j"]
+
+[ext_resource type="Texture2D" uid="uid://cb6qv3c0iojfl" path="res://icon.svg" id="1_eakc4"]
+[ext_resource type="Script" path="res://src/lib/inventory_item.gd" id="2_lrh23"]
+
+[resource]
+script = ExtResource("2_lrh23")
+icon = ExtResource("1_eakc4")
+name = "Coin"
+id = &"coin"
+stackable = true
+stack_limit = 100
+sells_for = 0
diff --git a/data/coin_flower.tres b/data/coin_flower.tres
index 6875184..7a5be28 100644
--- a/data/coin_flower.tres
+++ b/data/coin_flower.tres
@@ -10,3 +10,4 @@ name = "Coin Flower"
 id = &"coin_flower"
 stackable = true
 stack_limit = 9
+sells_for = 2
diff --git a/data/water_bomb.tres b/data/water_bomb.tres
index d3076b6..8d9396e 100644
--- a/data/water_bomb.tres
+++ b/data/water_bomb.tres
@@ -10,4 +10,6 @@ icon = ExtResource("1_g8c3q")
 model = ExtResource("2_5cxkh")
 name = "Water Bomb"
 id = &"water_bomb"
-count = 0
+stackable = false
+stack_limit = 8
+sells_for = 0
diff --git a/project.godot b/project.godot
index 9a28d19..6ff05f3 100644
--- a/project.godot
+++ b/project.godot
@@ -28,6 +28,7 @@ window/stretch/aspect="expand"
 
 spawn_points=""
 voids=""
+sell_boxes=""
 
 [input]
 
diff --git a/src/ingame/ingame.gd b/src/ingame/ingame.gd
index 557b870..dd8d7ca 100644
--- a/src/ingame/ingame.gd
+++ b/src/ingame/ingame.gd
@@ -86,7 +86,7 @@ func _input(event: InputEvent) -> void:
 
 func _process(_delta: float) -> void:
 	# this is fine but should this be done in response to a signal instead?
-	_coin_label.text = "COINS: %d" % GameState.fetch().coins
+	_coin_label.text = "COIN: %d" % GameState.get_item_count(&"coin")
 
 
 func _activate_chat() -> void:
diff --git a/src/ingame/ingame.tscn b/src/ingame/ingame.tscn
index 99bbe72..f9bd912 100644
--- a/src/ingame/ingame.tscn
+++ b/src/ingame/ingame.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=13 format=3 uid="uid://oyvhcwq60v2"]
+[gd_scene load_steps=16 format=3 uid="uid://oyvhcwq60v2"]
 
 [ext_resource type="Script" path="res://src/ingame/ingame.gd" id="1_akuuj"]
 [ext_resource type="PackedScene" uid="uid://cs8c570bxh6u" path="res://src/ingame/player.tscn" id="2_w1gjc"]
@@ -32,6 +32,17 @@ sky = SubResource("Sky_ygvd3")
 ambient_light_color = Color(0, 0.164706, 0.278431, 1)
 ambient_light_energy = 2.0
 
+[sub_resource type="BoxShape3D" id="BoxShape3D_3215c"]
+size = Vector3(3, 1, 3)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_vx5ut"]
+transparency = 1
+albedo_color = Color(1, 1, 0, 0.698039)
+
+[sub_resource type="BoxMesh" id="BoxMesh_gygr8"]
+material = SubResource("StandardMaterial3D_vx5ut")
+size = Vector3(3, 1, 3)
+
 [node name="Ingame" type="Node3D" node_paths=PackedStringArray("_soundtrack", "_players", "_chat_panel", "_chat_input", "_chat_history_scroll", "_chat_history", "_chat_panel_inactive", "_chat_history_inactive", "_chat_history_scroll_inactive", "_coin_label")]
 script = ExtResource("1_akuuj")
 _player_scene = ExtResource("2_w1gjc")
@@ -303,6 +314,17 @@ transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -5.15702, 1.04855, 5.88574)
 [node name="SpawnPoint3" type="Marker3D" parent="SpawnPoints" groups=["spawn_points"]]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 2.43229, 0.627689, 7.20138)
 
+[node name="SellBox" type="StaticBody3D" parent="." groups=["sell_boxes"]]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 6, 0, 0)
+collision_layer = 0
+collision_mask = 4
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="SellBox"]
+shape = SubResource("BoxShape3D_3215c")
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="SellBox"]
+mesh = SubResource("BoxMesh_gygr8")
+
 [connection signal="text_submitted" from="UI/ChatPanel/ChatInput" to="." method="_on_chat_message_submitted"]
 [connection signal="pressed" from="UI/ChatPanel/ChatSendButton" to="." method="_on_chat_message_submitted"]
 [connection signal="timeout" from="UI/ComboTimer" to="UI" method="_on_combo_timer_timeout"]
diff --git a/src/ingame/ui.gd b/src/ingame/ui.gd
index fbb805f..f519f0e 100644
--- a/src/ingame/ui.gd
+++ b/src/ingame/ui.gd
@@ -19,10 +19,10 @@ func _ready() -> void:
 	GameState.fetch().player_data[_id].water_combo_update.connect(
 		func(current: int):
 			if current == 0:
-				$Combo.hide()
+				_combo_label.hide()
 			else:
-				$Combo.show()
-				$Combo.text = "+" + str(current) + "!"
+				_combo_label.show()
+				_combo_label.text = "+" + str(current) + "!"
 				_last_combo_time = Time.get_ticks_msec()
 			_combo_timer.start()
 	)
@@ -30,4 +30,4 @@ func _ready() -> void:
 
 func _on_combo_timer_timeout() -> void:
 	GameState.fetch().player_data[_id].reset_water_combo()
-	$Combo.hide()
+	_combo_label.hide()
diff --git a/src/ingame/water_bomb.gd b/src/ingame/water_bomb.gd
index 015aebc..b4d3705 100644
--- a/src/ingame/water_bomb.gd
+++ b/src/ingame/water_bomb.gd
@@ -40,6 +40,12 @@ func _disable_body() -> void:
 	_picking_area.collision_layer = 0
 
 
+@rpc("authority", "call_local", "reliable")
+func get_sold() -> void:
+	var item := GameState.fetch().INVENTORY_ITEM_DB[item_bundle["item_id"]]
+	get_node("/root/Main").add_inventory_item(&"coin", item.sells_for * item_bundle["count"])
+
+
 func _on_body_entered(p_body: Node3D) -> void:
 	if p_body == sender_body:
 		return
@@ -48,6 +54,13 @@ func _on_body_entered(p_body: Node3D) -> void:
 		queue_free()
 		return
 	
+	if p_body.is_in_group("sell_boxes"):
+		var item := GameState.fetch().INVENTORY_ITEM_DB[item_bundle["item_id"]]
+		if item.sells_for != 0:
+			queue_free()
+			get_sold.rpc()
+			return
+	
 	for area: Area3D in _in_splash_range:
 		area.get_parent_node_3d().water.rpc_id(1, sender_id)
 	
diff --git a/src/lib/game_state.gd b/src/lib/game_state.gd
index 3a278de..a96bbe6 100644
--- a/src/lib/game_state.gd
+++ b/src/lib/game_state.gd
@@ -5,6 +5,7 @@ const INVENTORY_ITEM_DB = {
 	&"meat": preload("res://data/meat.tres"),
 	&"water_bomb": preload("res://data/water_bomb.tres"),
 	&"coin_flower": preload("res://data/coin_flower.tres"),
+	&"coin": preload("res://data/coin.tres"),
 }
 
 ## keys are multiplayer ID ints, values are PlayerData
@@ -12,7 +13,6 @@ const INVENTORY_ITEM_DB = {
 ## keys are InventoryItem resource IDs (from db),
 ## values are { "item": InventoryItem, "count": int }
 @export var inventory := {}
-@export var coins: int # TODO: might it make sense to have even them as items?
 
 static var _instance := GameState.new()
 
@@ -25,6 +25,13 @@ static func fetch() -> GameState:
 	return _instance
 
 
+static func get_item_count(p_item_id: StringName) -> int:
+	if GameState.fetch().inventory.has(p_item_id):
+		return GameState.fetch().inventory[p_item_id]["count"]
+	else:
+		return 0
+
+
 # TODO: better place for those?
 static func are_bundles_stackable(p_a_bundle: Dictionary, p_b_bundle: Dictionary) -> bool:
 	var item = GameState.fetch().INVENTORY_ITEM_DB[p_a_bundle["item_id"]]
diff --git a/src/lib/inventory_item.gd b/src/lib/inventory_item.gd
index 1050727..d7b1652 100644
--- a/src/lib/inventory_item.gd
+++ b/src/lib/inventory_item.gd
@@ -7,3 +7,5 @@ class_name InventoryItem extends Resource
 
 @export var stackable := false
 @export var stack_limit := 8
+
+@export var sells_for := 0
diff --git a/src/main/main.gd b/src/main/main.gd
index 9248622..c6a6ca4 100644
--- a/src/main/main.gd
+++ b/src/main/main.gd
@@ -35,8 +35,6 @@ func _on_player_joined(id: int) -> void:
 		_register_player.rpc_id(id, username)
 	
 	if _game_started:
-		set_coins.rpc_id(id, GameState.fetch().coins)
-		
 		for item_id in GameState.fetch().inventory:
 			set_inventory_item_count.rpc_id(id, item_id, GameState.fetch().inventory[item_id].count)
 		
@@ -180,11 +178,6 @@ func _on_chat_message_submitted(text := "") -> void:
 	_chat_input.clear()
 
 
-@rpc("authority", "call_local", "reliable")
-func set_coins(value: int) -> void:
-	GameState.fetch().coins = value
-
-
 ## Make sure it exists and all.
 func prepate_inventory_idem(item_id: StringName) -> void:
 	if not GameState.fetch().inventory.has(item_id):