diff --git a/mods/sponge/README.txt b/mods/sponge/README.txt
new file mode 100644
index 00000000..c6ed5516
--- /dev/null
+++ b/mods/sponge/README.txt
@@ -0,0 +1,16 @@
+Minetest 0.4 mod: flowers
+=========================
+
+License of source code:
+-----------------------
+Copyright (C) 2012-2013 
+
+This program is free software. It comes without any warranty, to
+the extent permitted by applicable law. You can redistribute it
+and/or modify it under the terms of the Do What The Fuck You Want
+To Public License, Version 2, as published by Sam Hocevar. See
+http://sam.zoy.org/wtfpl/COPYING for more details.
+
+License of media (textures and sounds)
+--------------------------------------
+WTFPL
diff --git a/mods/sponge/depends.txt b/mods/sponge/depends.txt
new file mode 100644
index 00000000..4ad96d51
--- /dev/null
+++ b/mods/sponge/depends.txt
@@ -0,0 +1 @@
+default
diff --git a/mods/sponge/init.lua b/mods/sponge/init.lua
new file mode 100644
index 00000000..dc7f2ce1
--- /dev/null
+++ b/mods/sponge/init.lua
@@ -0,0 +1,147 @@
+
+if minetest.setting_get("liquid_finite") then
+
+minetest.register_node("sponge:sponge", {
+	description = "Sponge",
+	drawtype = "normal",
+	tiles = {"sponge.png"},
+	paramtype = 'light',
+	sunlight_propagates = true,
+	walkable = true,
+	pointable = true,
+	diggable = true,
+	buildable_to = false,
+	groups = {snappy=2, flammable=1},
+})
+
+minetest.register_node("sponge:iron_sponge", {
+	description = "Iron Sponge",
+	drawtype = "normal",
+	tiles = {"iron_sponge.png"},
+	paramtype = 'light',
+	sunlight_propagates = true,
+	walkable = true,
+	pointable = true,
+	diggable = true,
+	buildable_to = false,
+	groups = {cracky=2},
+})
+
+
+--[[
+minetest.register_node("sponge:fake_air", {
+	description = "Fake Air",
+	drawtype = "airlike",
+	paramtype = 'light',
+	sunlight_propagates = true,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	groups = {not_in_creative_inventory=1},
+})
+
+local replacewith = "sponge:fake_air"
+if minetest.setting_get("liquid_finite") and minetest.setting_get("liquid_relax") > "0" then
+    replacewith = "air"
+end
+]]
+
+local replacewith = "air"
+
+minetest.register_abm({
+    nodenames = {"default:water_source", "default:water_flowing"},
+    neighbors = {"sponge:sponge", "sponge:iron_sponge"},
+    interval = 1.0,
+    chance = 1,
+    action = function(pos, node, active_object_count, active_object_count_wider)
+            minetest.env:add_node(pos, {name=replacewith})
+    end
+})
+
+minetest.register_abm(
+{nodenames = {"sponge:sponge"},
+interval = 1.0,
+chance = 1,
+action = function(pos, node, active_object_count, active_object_count_wider)
+    for i=-1,1 do
+        for j=-1,1 do
+            for k=-1,1 do
+                p = {x=pos.x+i, y=pos.y+j, z=pos.z+k}
+                n = minetest.env:get_node(p)
+                if (n.name=="default:water_flowing") 
+                or (n.name == "default:water_source") then
+                    minetest.env:add_node(p, {name=replacewith})
+                end
+            end
+        end
+    end
+end
+})
+
+minetest.register_abm(
+{nodenames = {"sponge:iron_sponge"},
+interval = 1.0,
+chance = 1,
+action = function(pos, node, active_object_count, active_object_count_wider)
+    for i=-2,2 do
+        for j=-2,2 do
+            for k=-2,2 do
+                p = {x=pos.x+i, y=pos.y+j, z=pos.z+k}
+                n = minetest.env:get_node(p)
+                if (n.name == "default:water_flowing") 
+                or (n.name == "default:water_source") 
+                or (n.name == "default:lava_source") 
+                or (n.name == "default:lava_flowing") then
+                    minetest.env:add_node(p, {name=replacewith})
+                end
+            end
+        end
+    end
+end
+})
+
+--[[
+minetest.register_abm(
+{nodenames = {"sponge:fake_air"},
+interval = 1.0,
+chance = 1,
+action = function(pos, node, active_object_count, active_object_count_wider)
+    spongecount=0
+    for i=-2,2 do
+        for j=-2,2 do
+            for k=-2,2 do
+                p = {x=pos.x+i, y=pos.y+j, z=pos.z+k}
+                n = minetest.env:get_node(p)
+                if (n.name=="sponge:iron_sponge") or (n.name == "sponge:sponge") then
+                spongecount=spongecount+1
+                end
+            end
+        end
+    end
+    if (spongecount==0) then
+        minetest.env:add_node(pos, {name="air"})
+    end
+end
+})
+]]
+
+minetest.register_craft({
+	output = "sponge:sponge",
+	recipe = {
+		{'default:leaves', 'default:leaves', 'default:leaves'},
+		{'default:leaves', 'default:mese', 'default:leaves'},
+		{'default:leaves', 'default:leaves', 'default:leaves'},
+	}
+})
+
+minetest.register_craft({
+	output = "sponge:iron_sponge",
+	recipe = {
+		{'default:steel_ingot', 'default:steel_ingot', 'default:steel_ingot'},
+		{'default:steel_ingot', 'sponge:sponge', 'default:steel_ingot'},
+		{'default:steel_ingot', 'default:steel_ingot', 'default:steel_ingot'},
+	}
+})
+
+end
diff --git a/mods/sponge/textures/iron_sponge.png b/mods/sponge/textures/iron_sponge.png
new file mode 100644
index 00000000..55296b0c
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diff --git a/mods/sponge/textures/sponge.png b/mods/sponge/textures/sponge.png
new file mode 100644
index 00000000..2f04fed7
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