diff --git a/src/pyweek37/constants.py b/src/pyweek37/constants.py
index 6270af7..cb1af3c 100644
--- a/src/pyweek37/constants.py
+++ b/src/pyweek37/constants.py
@@ -33,7 +33,7 @@
 LEFT_FACING = 1
 
 BULLET_MOVE_FORCE = 4500
-BULLET_MASS = 0.1
+BULLET_MASS = 1000
 BULLET_GRAVITY = 300
 
-BALLOON_MASS = 0
+BALLOON_MASS = 0.01
diff --git a/src/pyweek37/sprites/target.py b/src/pyweek37/sprites/target.py
index 844dab7..fa9e3b3 100644
--- a/src/pyweek37/sprites/target.py
+++ b/src/pyweek37/sprites/target.py
@@ -16,4 +16,4 @@ def bullet_hit_handler(self, _bullet_sprite, _arbiter, _space, _data):
         """Called for bullet/target collision"""
 
         self.remove_from_sprite_lists()
-        _bullet_sprite.remove_from_sprite_lists()
+        # _bullet_sprite.remove_from_sprite_lists()