diff --git a/bot.py b/bot.py
index 96f0e46..01d8f24 100644
--- a/bot.py
+++ b/bot.py
@@ -63,8 +63,6 @@ def tick(global_state):
     ########## object physics ##########
 
     for eid, obj in copy(g.objects).items():
-        start_x = obj.x
-
         if obj.velocity_x:
             obj.x += obj.velocity_x / 8000
         if obj.velocity_y:
@@ -72,7 +70,7 @@ def tick(global_state):
         if obj.velocity_z:
             obj.z += obj.velocity_z / 8000
 
-        block_below = g.chunks.get_block_at(floor(obj.x), int(obj.y-0.20), floor(obj.z))
+        block_below = g.chunks.get_block_at(floor(obj.x), floor(obj.y-0.20), floor(obj.z))
         in_air = block_below in blocks.NON_SOLID_IDS
 
         if in_air:
@@ -85,6 +83,10 @@ def tick(global_state):
             obj.velocity_y = 0
             obj.velocity_z *= 0.5
 
+        # float object back up in case it clipped through multiple blocks
+        while g.chunks.get_block_at(floor(obj.x), floor(obj.y), floor(obj.z)) not in blocks.NON_SOLID_IDS:
+            obj.y += 1
+
         if abs(obj.velocity_x) < 1: obj.velocity_x = 0
         if abs(obj.velocity_z) < 1: obj.velocity_z = 0
 
diff --git a/game.py b/game.py
index 9da659a..34f05b6 100644
--- a/game.py
+++ b/game.py
@@ -355,6 +355,7 @@ class Game:
             for i in self.g.inv.values():
                 if i.present:
                     inv_list.append('{}:{} x {}'.format(items.ITEM_NAMES[i.item_id], str(i.item_id), i.item_count))
+            inv_list.sort()
             result = '\n'.join(inv_list)
             print(result or 'Empty')
 
@@ -502,7 +503,7 @@ class Game:
             self.pick(slot)
 
     def has_item(self, items):
-        # select the first match from items of inv
+        # test if any from items is in inv
         for slot, item in self.g.inv.items():
             if item.item_id in items:
                 return True
@@ -511,7 +512,10 @@ class Game:
 
     def select_item(self, items):
         # select the first match from items of inv
-        for slot, item in self.g.inv.items():
+        # uses smallest stack of that match
+        inv_items = list(self.g.inv.items())
+        inv_items.sort(key=lambda x: x[1].item_count or 0)
+        for slot, item in inv_items:
             if item.item_id in items:
                 self.g.game.choose_slot(slot)
                 return True