diff --git a/src/game.rs b/src/game.rs
index 8a69efd..756dc40 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -69,6 +69,21 @@ impl GameState {
         if input.pressed(Key::Num5) {
             self.selected_inv_slot = 4;
         }
+        if input.pressed(Key::Num6) {
+            self.selected_inv_slot = 5;
+        }
+        if input.pressed(Key::Num7) {
+            self.selected_inv_slot = 6;
+        }
+        if input.pressed(Key::Num8) {
+            self.selected_inv_slot = 7;
+        }
+        if input.pressed(Key::Num9) {
+            self.selected_inv_slot = 8;
+        }
+        if input.pressed(Key::Num0) {
+            self.selected_inv_slot = 9;
+        }
         self.world.ticks += 1;
     }
     pub(crate) fn draw_world(&mut self, rt: &mut RenderTexture, res: &mut Res) {
diff --git a/src/inventory.rs b/src/inventory.rs
index 6c4f841..00cd56b 100644
--- a/src/inventory.rs
+++ b/src/inventory.rs
@@ -42,6 +42,14 @@ impl Inventory {
                     id: items::PLATFORM,
                     qty: 100,
                 },
+                Slot {
+                    id: items::STONE_WALL,
+                    qty: 100,
+                },
+                Slot {
+                    id: items::PANZERIUM,
+                    qty: 100,
+                },
             ],
         }
     }
@@ -126,6 +134,15 @@ impl Default for ItemDb {
                     },
                     consumable: true,
                 },
+                ItemDef {
+                    name: String::from("Stone wall"),
+                    graphic_name: String::from("tiles/stoneback"),
+                    tex_rect: IntRect::default(),
+                    use_action: UseAction::PlaceBgTile {
+                        id: BgTileId::STONE,
+                    },
+                    consumable: true,
+                },
             ],
         }
     }
@@ -138,4 +155,6 @@ pub mod items {
     pub const TORCH: ItemId = 1;
     pub const PLATFORM: ItemId = 2;
     pub const WOOD_PICK: ItemId = 3;
+    pub const PANZERIUM: ItemId = 4;
+    pub const STONE_WALL: ItemId = 5;
 }
diff --git a/tiles.dat b/tiles.dat
index b3e41da..f820f38 100644
Binary files a/tiles.dat and b/tiles.dat differ