diff --git a/.test/testblock.lua b/.test/testblock.lua
new file mode 100644
index 0000000..7a78cf6
--- /dev/null
+++ b/.test/testblock.lua
@@ -0,0 +1,43 @@
+local M = minetest.get_meta
+
+minetest.register_node("techage:testblock", {
+	description = "Testblock",
+	tiles = {
+		"techage_top_ta4.png",
+		"techage_filling_ta4.png^techage_frame_ta4.png",
+	},
+	paramtype2 = "facedir",
+	groups = {cracky=2, crumbly=2, choppy=2},
+	is_ground_content = false,
+
+	after_place_node = function(pos, placer)
+		local nvm = techage.get_nvm(pos)
+		nvm.test_val = 1
+		M(pos):set_int("test_val", 1)
+		M(pos):set_string("infotext", "Value = " .. 1)
+	end,
+})
+
+minetest.register_lbm({
+	label = "Update testblock",
+	name = "techage:update_testblock",
+
+	nodenames = {
+		"techage:testblock",
+	},
+
+	run_at_every_load = true,
+
+	action = function(pos, node)
+		local nvm = techage.get_nvm(pos)
+		if M(pos):get_int("test_val") == nvm.test_val then
+			nvm.test_val = nvm.test_val + 1
+			M(pos):set_int("test_val", nvm.test_val)
+			M(pos):set_string("infotext", "Value = " .. nvm.test_val)
+		else
+			minetest.log("error", "[techage] Memory error at " .. minetest.pos_to_string(pos))
+			M(pos):set_string("infotext", "Error")
+		end
+	end,
+})
+
diff --git a/init.lua b/init.lua
index 4037477..3863a85 100644
--- a/init.lua
+++ b/init.lua
@@ -315,6 +315,7 @@ if techage.recipe_checker_enabled then
 	dofile(MP.."/recipe_checker.lua")
 end
 dofile(MP.."/.test/sink.lua")
+dofile(MP.."/.test/testblock.lua")
 
 -- Solar
 dofile(MP.."/solar/minicell.lua")