diff --git a/code/foundation/src/debug/debug_ui.c b/code/foundation/src/debug/debug_ui.c
index 96ad7f6..4d57259 100644
--- a/code/foundation/src/debug/debug_ui.c
+++ b/code/foundation/src/debug/debug_ui.c
@@ -142,6 +142,7 @@ static debug_item items[] = {
                 { .kind = DITEM_BUTTON, .name = "spawn belt", .on_click = ActSpawnBelt },
                 { .kind = DITEM_BUTTON, .name = "spawn furnace", .on_click = ActSpawnFurnace },
                 { .kind = DITEM_BUTTON, .name = "spawn demo blueprint", .on_click = ActSpawnDemoHouseItem },
+                { .kind = DITEM_BUTTON, .name = "spawn random durability icemaker", .on_click = ActSpawnDurabilityTest },
                 {
                     .kind = DITEM_LIST,
                     .name = "demo npcs",
diff --git a/code/foundation/src/debug/debug_ui_actions.c b/code/foundation/src/debug/debug_ui_actions.c
index aad8e9e..7529882 100644
--- a/code/foundation/src/debug/debug_ui_actions.c
+++ b/code/foundation/src/debug/debug_ui_actions.c
@@ -12,12 +12,12 @@ void
 ActSpawnCar(void) {
     ecs_entity_t e = vehicle_spawn(EVEH_CAR);
     ecs_entity_t plr = camera_get().ent_id;
-    
+
     Position const* origin = ecs_get(world_ecs(), plr, Position);
     Position * dest = ecs_get_mut(world_ecs(), e, Position);
     *dest = *origin;
     entity_set_position(e, dest->x, dest->y);
-    
+
     debug_replay_special_action(RPKIND_SPAWN_CAR);
 }
 
@@ -25,12 +25,12 @@ void
 ActSpawnIcemaker(void) {
     ecs_entity_t e = item_spawn(ASSET_DEMO_ICEMAKER, 32);
     ecs_entity_t plr = camera_get().ent_id;
-    
+
     Position const* origin = ecs_get(world_ecs(), plr, Position);
     Position * dest = ecs_get_mut(world_ecs(), e, Position);
     *dest = *origin;
     entity_set_position(e, dest->x, dest->y);
-    
+
     debug_replay_special_action(RPKIND_SPAWN_ICEMAKER_ITEM);
 }
 
@@ -38,12 +38,12 @@ void
 ActSpawnChest(void) {
     ecs_entity_t e = item_spawn(ASSET_CHEST, 32);
     ecs_entity_t plr = camera_get().ent_id;
-    
+
     Position const* origin = ecs_get(world_ecs(), plr, Position);
     Position * dest = ecs_get_mut(world_ecs(), e, Position);
     *dest = *origin;
     entity_set_position(e, dest->x, dest->y);
-    
+
     debug_replay_special_action(RPKIND_SPAWN_CHEST);
 }
 
@@ -51,20 +51,34 @@ void
 ActSpawnBelt(void) {
     ecs_entity_t e = item_spawn(ASSET_BELT, 32);
     ecs_entity_t plr = camera_get().ent_id;
-    
+
     Position const* origin = ecs_get(world_ecs(), plr, Position);
     Position * dest = ecs_get_mut(world_ecs(), e, Position);
     *dest = *origin;
     entity_set_position(e, dest->x, dest->y);
-    
+
     debug_replay_special_action(RPKIND_SPAWN_BELT);
 }
 
+void
+ActSpawnDurabilityTest(void) {
+    ecs_entity_t e = item_spawn(ASSET_DEMO_ICEMAKER, 1);
+    ecs_entity_t plr = camera_get().ent_id;
+
+    Position const* origin = ecs_get(world_ecs(), plr, Position);
+    Position * dest = ecs_get_mut(world_ecs(), e, Position);
+    *dest = *origin;
+    entity_set_position(e, dest->x, dest->y);
+
+    Item *it = ecs_get_mut(world_ecs(), e, Item);
+    it->durability = (float)(rand() % 100) / 100.0f;
+}
+
 void
 ActSpawnFurnace(void) {
     ecs_entity_t e = item_spawn(ASSET_FURNACE, 32);
     ecs_entity_t plr = camera_get().ent_id;
-    
+
     Position const* origin = ecs_get(world_ecs(), plr, Position);
     Position * dest = ecs_get_mut(world_ecs(), e, Position);
     *dest = *origin;
@@ -75,7 +89,7 @@ void
 ActSpawnDemoHouseItem(void) {
     ecs_entity_t e = item_spawn(ASSET_BLUEPRINT, 1);
     ecs_entity_t plr = camera_get().ent_id;
-    
+
     Position const* origin = ecs_get(world_ecs(), plr, Position);
     Position * dest = ecs_get_mut(world_ecs(), e, Position);
     *dest = *origin;
@@ -87,7 +101,7 @@ ActSpawnCirclingDriver(void) {
     ecs_entity_t plr = camera_get().ent_id;
     ecs_entity_t ve = vehicle_spawn(EVEH_CAR);
     ecs_entity_t e = entity_spawn(EKIND_DEMO_NPC);
-    
+
     Position const *origin = ecs_get(world_ecs(), plr, Position);
     Position *veh_dest = ecs_get_mut(world_ecs(), ve, Position);
     Position *dest = ecs_get_mut(world_ecs(), e, Position);
@@ -95,16 +109,16 @@ ActSpawnCirclingDriver(void) {
     *dest = *origin;
     entity_set_position(ve, veh_dest->x, veh_dest->y);
     entity_set_position(e, dest->x, dest->y);
-    
+
     Input *input = ecs_get_mut(world_ecs(), e, Input);
     zpl_zero_item(input);
     input->x = input->y = 1.0f;
-    
+
     Vehicle *veh = ecs_get_mut(world_ecs(), ve, Vehicle);
     veh->seats[0] = e;
-    
+
     ecs_set(world_ecs(), e, IsInVehicle, { .veh = ve });
-    
+
     debug_replay_special_action(RPKIND_SPAWN_CIRCLING_DRIVER);
 }
 
@@ -114,14 +128,14 @@ ActPlaceIceRink(void) {
     block_id watr_id = blocks_find(ASSET_WATER);
     Position const *p = ecs_get(world_ecs(), plr, Position);
     float const bs = WORLD_BLOCK_SIZE;
-    
+
     for (int y = 0; y < 100; y++) {
         for (int x = 0; x < 100; x++) {
             world_block_lookup l = world_block_from_realpos((p->x - (x*bs)/2.0f), p->y - (y*bs)/2.0f);
             world_chunk_place_block(l.chunk_id, l.id, watr_id);
         }
     }
-    
+
     debug_replay_special_action(RPKIND_PLACE_ICE_RINK);
 }
 
@@ -130,13 +144,13 @@ ActEraseWorldChanges(void) {
     ecs_entity_t plr = camera_get().ent_id;
     Position const *p = ecs_get(world_ecs(), plr, Position);
     float const bs = WORLD_BLOCK_SIZE;
-    
+
     for (int y = 0; y < 100; y++) {
         for (int x = 0; x < 100; x++) {
             world_chunk_destroy_block((p->x - (x*bs)/2.0f), (p->y - (y*bs)/2.0f), true);
         }
     }
-    
+
     debug_replay_special_action(RPKIND_PLACE_ERASE_CHANGES);
 }
 
@@ -203,22 +217,22 @@ void
 ActReplaySaveAs(void) {
     if (!records) return;
     char const *workdir = GetWorkingDirectory();
-    
+
     sfd_Options sfd = {
         .title = "Save Macro",
         .path = "art",
         .filter_name = "eco2d Macro",
         .filter = "*.dem",
     };
-    
+
     char const *path = sfd_save_dialog(&sfd);
     ChangeDirectory(workdir);
-    
+
     if (path) {
         zpl_strcpy(replay_filename, zpl_bprintf("%s.dem", path));
         debug_replay_store();
     }
-    
+
 }
 
 void
@@ -232,17 +246,17 @@ ActReplaySave(void) {
 void
 ActReplayLoad(void) {
     char const *workdir = GetWorkingDirectory();
-    
+
     sfd_Options sfd = {
         .title = "Load Macro",
         .path = "art",
         .filter_name = "eco2d Macro",
         .filter = "*.dem",
     };
-    
+
     char const *path = sfd_open_dialog(&sfd);
     ChangeDirectory(workdir);
-    
+
     if (path) {
         zpl_zero_size(replay_filename, sizeof(replay_filename));
         zpl_strcpy(replay_filename, path);
@@ -258,18 +272,18 @@ void
 ActSpawnDemoNPCs(void) {
     if (!demo_npcs) zpl_array_init(demo_npcs, zpl_heap());
     if (zpl_array_count(demo_npcs) >= 100000) return;
-    
+
     for (uint32_t i = 0; i < 1000; i++) {
         uint64_t e = entity_spawn(EKIND_DEMO_NPC);
         ecs_add(world_ecs(), e, DemoNPC);
         Position *pos = ecs_get_mut(world_ecs(), e, Position);
         pos->x=(float)(rand() % world_dim());
-        pos->y=(float)(rand() % world_dim());        
-        
+        pos->y=(float)(rand() % world_dim());
+
         Velocity *v = ecs_get_mut(world_ecs(), e, Velocity);
         v->x = (float)((rand()%3-1) * 10);
         v->y = (float)((rand()%3-1) * 10);
-        
+
         zpl_array_append(demo_npcs, e);
     }
 }
@@ -277,9 +291,9 @@ ActSpawnDemoNPCs(void) {
 void
 ActDespawnDemoNPCs(void) {
     if (!demo_npcs) return;
-    
+
     entity_batch_despawn(demo_npcs, zpl_array_count(demo_npcs));
-    
+
     zpl_array_free(demo_npcs);
     demo_npcs = 0;
 }
diff --git a/code/foundation/src/gui/inventory.c b/code/foundation/src/gui/inventory.c
index 8c71bb1..ab06325 100644
--- a/code/foundation/src/gui/inventory.c
+++ b/code/foundation/src/gui/inventory.c
@@ -1,11 +1,11 @@
 typedef struct {
     uint8_t selected_item;
     bool drop_item;
-    
+
     bool item_is_held;
     uint8_t held_item_idx;
     Item held_item;
-    
+
     bool is_inside;
     bool storage_action;
     bool swap;
@@ -26,26 +26,26 @@ void inventory_draw_panel(entity_view *e, bool is_player, float sx, float sy){
         return;
     if (!e->has_storage_items && !is_player)
         return;
-    
+
     float x = sx;
     float y = sy;
-    
+
     const int32_t grid_size = (is_player) ? (64*3) : (64*4);
     const int32_t inv_size = (is_player) ? ITEMS_INVENTORY_SIZE : ITEMS_CONTAINER_SIZE;
     const int32_t inv_cols = (is_player) ? 3 : 4;
-    
+
     inv_keystate *inv = (!is_player) ? &storage_inv : &player_inv;
     inv_keystate *inv2 = (is_player) ? &storage_inv : &player_inv;
-    
+
     inv->is_inside = check_mouse_area(sx, sy, (float)grid_size, (float)grid_size) != DAREA_OUTSIDE;
     inv_is_inside |= inv->is_inside;
-    
+
     for (int32_t i = 0; i < inv_size; i += 1) {
         {
             debug_area_status area = check_mouse_area(x, y, 64, 64);
             Color color = RAYWHITE;
             Item *item = (is_player) ? &e->items[i] : &e->storage_items[i];
-            
+
             if (area == DAREA_HOVER) {
                 color = YELLOW;
             } else if (area == DAREA_PRESS && inv2->item_is_held){
@@ -79,22 +79,30 @@ void inventory_draw_panel(entity_view *e, bool is_player, float sx, float sy){
             } else if (i == inv->selected_item) {
                 color = RED;
             }
-            
+
             DrawRectangleLinesEco(x, y, 64, 64, color);
-            
+
             if (item->quantity > 0) {
                 DrawTexturePro(GetSpriteTexture2D(assets_find(item->kind)), ASSET_SRC_RECT(), ASSET_DST_RECT(x,y), (Vector2){0.5f,0.5f}, 0.0f, WHITE);
-                DrawTextEco(zpl_bprintf("%d", item->quantity), x+5, y+5, 16, RAYWHITE, 0.0f); 
+            }
+
+            if (item->quantity > 1) {
+                DrawTextEco(zpl_bprintf("%d", item->quantity), x+5, y+5, 16, RAYWHITE, 0.0f);
+            }
+
+            if (item->quantity > 0 && item->durability < 1.0f) {
+                DrawRectangleEco(x, y+56, 64, 8, BLACK);
+                DrawRectangleEco(x, y+56, 64*item->durability, 8, BlendColor(RED, GREEN, item->durability));
             }
         }
         x += 64;
-        
+
         if ((i+1) % inv_cols == 0) {
             x = sx;
             y += 64;
         }
     }
-    
+
     // NOTE(zaklaus): switch it off if is_player
     if (is_player)
         inv_is_storage_action = false;
@@ -103,18 +111,18 @@ void inventory_draw_panel(entity_view *e, bool is_player, float sx, float sy){
 void inventory_render_held_item(bool is_player){
     inv_keystate *inv = (!is_player) ? &storage_inv : &player_inv;
     inv_keystate *inv2 = (is_player) ? &storage_inv : &player_inv;
-    
+
     if (inv->item_is_held) {
         Vector2 mpos = GetMousePosition();
         mpos.x -= 32;
         mpos.y -= 32;
         DrawTexturePro(GetSpriteTexture2D(assets_find(inv->held_item.kind)), ASSET_SRC_RECT(), ASSET_DST_RECT(mpos.x, mpos.y), (Vector2){0.5f,0.5f}, 0.0f, ColorAlpha(WHITE, 0.8f));
-        DrawTextEco(zpl_bprintf("%d", inv->held_item.quantity), mpos.x, mpos.y, 16, RAYWHITE, 0.0f); 
-        
+        DrawTextEco(zpl_bprintf("%d", inv->held_item.quantity), mpos.x, mpos.y, 16, RAYWHITE, 0.0f);
+
         if (!inv->is_inside && IsMouseButtonReleased(MOUSE_LEFT_BUTTON) && !inv2->is_inside) {
             inv->drop_item = true;
             inv->item_is_held = false;
-            inv_is_storage_action = true;
+            inv_is_storage_action = inv == &storage_inv;
         }
     }
 }
@@ -130,22 +138,22 @@ void inventory_draw() {
     inv_swap_storage = false;
     inventory_reset_states(&player_inv);
     inventory_reset_states(&storage_inv);
-    
+
     camera cam = camera_get();
     entity_view *e = game_world_view_active_get_entity(cam.ent_id);
     if (!e || !e->has_items) return;
-    
+
     if (IsKeyPressed(KEY_TAB)) {
         inv_is_open = !inv_is_open;
     }
-    
+
     if (!inv_is_open || build_is_in_draw_mode) {
         return;
     }
-    
+
     inventory_draw_panel(e, true, screenWidth/2.0f + 128, screenHeight/2.0f - 96);
     inventory_draw_panel(e, false, screenWidth/2.0f - 384, screenHeight/2.0f - 128);
-    
+
     inventory_render_held_item(true);
     inventory_render_held_item(false);
 }
diff --git a/code/foundation/src/utils/raylib_helpers.h b/code/foundation/src/utils/raylib_helpers.h
index 1c3f0f7..7486443 100644
--- a/code/foundation/src/utils/raylib_helpers.h
+++ b/code/foundation/src/utils/raylib_helpers.h
@@ -10,6 +10,16 @@
 
 static inline float lerp(float a, float b, float t) { return a * (1.0f - t) + b * t; }
 
+static inline
+Color BlendColor(Color a, Color b, float t) {
+    return (Color) {
+        .r = (uint8_t)(lerp((float)(a.r)/255.0f, (float)(b.r)/255.0f, t) * 255),
+        .g = (uint8_t)(lerp((float)(a.g)/255.0f, (float)(b.g)/255.0f, t) * 255),
+        .b = (uint8_t)(lerp((float)(a.b)/255.0f, (float)(b.b)/255.0f, t) * 255),
+        .a = (uint8_t)(lerp((float)(a.a)/255.0f, (float)(b.a)/255.0f, t) * 255),
+    };
+}
+
 static inline
 Texture2D LoadTexEco(const char *name) {
     static char filename[128];
diff --git a/code/foundation/src/world/entity_view.c b/code/foundation/src/world/entity_view.c
index 3ac3cc2..ed38e8b 100644
--- a/code/foundation/src/world/entity_view.c
+++ b/code/foundation/src/world/entity_view.c
@@ -31,6 +31,7 @@ pkt_desc pkt_entity_view_desc[] = {
     { PKT_KEEP_IF(entity_view, kind, EKIND_ITEM, 2) },
     { PKT_UINT(entity_view, asset) },
     { PKT_UINT(entity_view, quantity) },
+    { PKT_HALF(entity_view, durability) },
 
     { PKT_KEEP_IF(entity_view, kind, EKIND_DEVICE, 3) },
     { PKT_UINT(entity_view, asset) },
diff --git a/code/foundation/src/world/entity_view.h b/code/foundation/src/world/entity_view.h
index 6697218..97c6936 100644
--- a/code/foundation/src/world/entity_view.h
+++ b/code/foundation/src/world/entity_view.h
@@ -62,6 +62,7 @@ typedef struct entity_view {
     // NOTE(zaklaus): items, ...
     asset_id asset;
     uint32_t quantity;
+    float durability;
 
     // NOTE(zaklaus): device progress bar
     uint32_t progress_active;
diff --git a/code/foundation/src/world/world.c b/code/foundation/src/world/world.c
index 56457f2..18548a0 100644
--- a/code/foundation/src/world/world.c
+++ b/code/foundation/src/world/world.c
@@ -63,6 +63,7 @@ entity_view *world_build_entity_view(int64_t e) {
         Item const* dr = ecs_get(world_ecs(), e, Item);
         view.asset = dr->kind;
         view.quantity = dr->quantity;
+        view.durability = dr->durability;
     }
 
     if (ecs_get(world_ecs(), e, Device)) {
diff --git a/code/games/sandbox/src/renderer.c b/code/games/sandbox/src/renderer.c
index c02fcfe..bdcd173 100644
--- a/code/games/sandbox/src/renderer.c
+++ b/code/games/sandbox/src/renderer.c
@@ -110,7 +110,15 @@ void DEBUG_draw_entities(uint64_t key, entity_view * data) {
             float x = data->x - 32.f;
             float y = data->y - 32.f;
             DrawTexturePro(GetSpriteTexture2D(assets_find(data->asset)), ASSET_SRC_RECT(), ASSET_DST_RECT(x,y), (Vector2){0.5f,0.5f}, 0.0f, ALPHA(WHITE));
-            DrawTextEco(zpl_bprintf("%d", data->quantity), x, y, 10, ALPHA(RAYWHITE), 0.0f);
+
+            if (data->quantity > 1) {
+                DrawTextEco(zpl_bprintf("%d", data->quantity), x, y, 10, ALPHA(RAYWHITE), 0.0f);
+            }
+
+            if (data->durability < 1.0f) {
+                DrawRectangleEco(x, y+32, 4, 32, BlendColor(RED, GREEN, data->durability));
+                DrawRectangleEco(x, y+32, 4, 32*(1.0f-data->durability), ColorAlpha(BLACK, data->tran_time));
+            }
         }break;
         default:break;
     }