diff --git a/init.lua b/init.lua
index c828405..8936d6f 100644
--- a/init.lua
+++ b/init.lua
@@ -8,7 +8,8 @@ minetest.register_node("pseudonodes:pseudo_block", {
 	sunlight_propagates = true,
 	walkable = false,
 	sounds = { dig = { name="", gain = 0 } },
-	alpha = 0
+	alpha = 0,
+	stack_max = 9999,
 })
 minetest.register_node("pseudonodes:replacable_pseudo_block", {
 	description = "replacable fixed pseudo-block",
@@ -21,7 +22,8 @@ minetest.register_node("pseudonodes:replacable_pseudo_block", {
 	walkable = false,
 	sounds = { dig = { name="", gain = 0 } },
 	alpha = 0,
-	buildable_to = true
+	buildable_to = true,
+	stack_max = 9999,
 })
 
 minetest.register_node("pseudonodes:pseudo_block_timer", {
@@ -40,6 +42,7 @@ minetest.register_node("pseudonodes:pseudo_block_timer", {
 	walkable = false,
 	sounds = { dig = { name="", gain = 0 } },
 	alpha = 0,
+	stack_max = 9999,
 	on_construct = function(pos)
 		local timer = minetest.get_node_timer(pos)
 		timer:start(5)
@@ -66,6 +69,7 @@ minetest.register_node("pseudonodes:replacable_pseudo_block_timer", {
 	sounds = { dig = { name="", gain = 0 } },
 	alpha = 0,
 	buildable_to = true,
+	stack_max = 9999,
 	on_construct = function(pos)
 		local timer = minetest.get_node_timer(pos)
 		timer:start(5)
@@ -86,6 +90,7 @@ minetest.register_node("pseudonodes:switch_block_off", {
 	sounds = { dig = { name="", gain = 0 } },
 	groups = { pseudo = 1 },
 	alpha = 0,
+	stack_max = 9999,
 	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		local newnode = node
 		newnode.name = "pseudonodes:switch_block_on"
@@ -101,6 +106,7 @@ minetest.register_node("pseudonodes:switch_block_on", {
 	groups = { pseudo = 1 },
 	diggable = true,
 	walkable = true,
+	stack_max = 9999,
 	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		local newnode = node
 		newnode.name = "pseudonodes:switch_block_off"