diff --git a/dev-assets/doodads/box/box.js b/dev-assets/doodads/box/box.js
index 1c97439..30d3d6a 100644
--- a/dev-assets/doodads/box/box.js
+++ b/dev-assets/doodads/box/box.js
@@ -41,9 +41,6 @@ function main() {
     // When we receive power, we reset to our original position.
     var origPoint = Self.Position();
     Message.Subscribe("power", function (powered) {
-        console.error("Box received power! %+v", powered);
-        console.error("MoveTo: %+v", origPoint);
-        console.error("Keys: %+v", Object.keys(Self));
         Self.MoveTo(origPoint);
         Self.SetVelocity(Vector(0, 0));
     });
diff --git a/dev-assets/doodads/build.sh b/dev-assets/doodads/build.sh
index f434a94..5597a19 100755
--- a/dev-assets/doodads/build.sh
+++ b/dev-assets/doodads/build.sh
@@ -58,6 +58,10 @@ objects() {
 	cd box/
 	make
 	cd ..
+
+	cd crumbly-floor/
+	make
+	cd ..
 }
 
 onoff() {
diff --git a/dev-assets/doodads/objects/Makefile b/dev-assets/doodads/objects/Makefile
index 0573bc1..c56b8ed 100644
--- a/dev-assets/doodads/objects/Makefile
+++ b/dev-assets/doodads/objects/Makefile
@@ -2,10 +2,16 @@ ALL: build
 
 .PHONY: build
 build:
+	# Start Flag
+	doodad convert -t "Start Flag" start-flag.png start-flag.doodad
+
+	# Exit Flag
 	doodad convert -t "Exit Flag" exit-flag.png exit-flag.doodad
 	doodad install-script exit-flag.js exit-flag.doodad
 
-	doodad convert -t "Start Flag" start-flag.png start-flag.doodad
+	# Anvil
+	doodad convert -t "Anvil" anvil.png anvil.doodad
+	doodad install-script anvil.js anvil.doodad
 
 	for i in *.doodad; do\
 		doodad edit-doodad --tag "category=objects" $${i};\
diff --git a/dev-assets/doodads/objects/anvil.js b/dev-assets/doodads/objects/anvil.js
new file mode 100644
index 0000000..2359bca
--- /dev/null
+++ b/dev-assets/doodads/objects/anvil.js
@@ -0,0 +1,51 @@
+// Anvil
+var falling = false;
+
+function main() {
+    // Note: doodad is not "solid" but hurts if it falls on you.
+    Self.SetHitbox(0, 0, 48, 25);
+    Self.SetMobile(true);
+    Self.SetGravity(true);
+
+    // Monitor our Y position to tell if we've been falling.
+    var lastPoint = Self.Position();
+    setInterval(function () {
+        var nowAt = Self.Position();
+        if (nowAt.Y > lastPoint.Y) {
+            falling = true;
+        } else {
+            falling = false;
+        }
+        lastPoint = nowAt;
+    }, 100);
+
+    Events.OnCollide(function (e) {
+        if (!e.Settled) {
+            return;
+        }
+
+        // Were we falling?
+        if (falling) {
+            if (e.InHitbox) {
+                if (e.Actor.IsPlayer()) {
+                    // Fatal to the player.
+                    Sound.Play("crumbly-break.wav");
+                    FailLevel("Watch out for anvils!");
+                    return;
+                }
+                else if (e.Actor.IsMobile()) {
+                    // Destroy mobile doodads.
+                    Sound.Play("crumbly-break.wav");
+                    e.Actor.Destroy();
+                }
+            }
+        }
+    });
+
+    // When we receive power, we reset to our original position.
+    var origPoint = Self.Position();
+    Message.Subscribe("power", function (powered) {
+        Self.MoveTo(origPoint);
+        Self.SetVelocity(Vector(0, 0));
+    });
+}
diff --git a/dev-assets/doodads/objects/anvil.png b/dev-assets/doodads/objects/anvil.png
new file mode 100644
index 0000000..205becc
Binary files /dev/null and b/dev-assets/doodads/objects/anvil.png differ
diff --git a/dev-assets/doodads/switches/switch.js b/dev-assets/doodads/switches/switch.js
index 88e8eaf..973a7b3 100644
--- a/dev-assets/doodads/switches/switch.js
+++ b/dev-assets/doodads/switches/switch.js
@@ -7,13 +7,13 @@ function main() {
 	var state = false;
 	var collide = false;
 
-	Message.Subscribe("power", function(powered) {
+	Message.Subscribe("power", function (powered) {
 		state = powered;
 		showState(state);
 	});
 
-	Events.OnCollide(function(e) {
-		if (!e.Settled) {
+	Events.OnCollide(function (e) {
+		if (!e.Settled || !e.Actor.IsMobile()) {
 			return;
 		}
 
@@ -30,7 +30,7 @@ function main() {
 		}
 	});
 
-	Events.OnLeave(function(e) {
+	Events.OnLeave(function (e) {
 		collide = false;
 	});
 }
diff --git a/dev-assets/doodads/trapdoors/electric-trapdoor.js b/dev-assets/doodads/trapdoors/electric-trapdoor.js
index 2a33057..836f662 100644
--- a/dev-assets/doodads/trapdoors/electric-trapdoor.js
+++ b/dev-assets/doodads/trapdoors/electric-trapdoor.js
@@ -49,6 +49,11 @@ function setPoweredState(powered) {
         Self.PlayAnimation("open", function () {
             isOpen = true;
             animating = false;
+
+            // Had we lost power quickly?
+            if (!powerState) {
+                setPoweredState(false);
+            }
         });
     } else {
         animating = true;