Minecraft:Sticky Piston - Revision history

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2026-09-05T11:18:18Z

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	=== Screenshots ===		=== Screenshots ===
	<gallery>		<gallery>
	File:Glassp.gif\|An example of sticky piston use with [[Minecraft:glass pane]]s.		File:Glassp.gif\|An example of sticky piston use with [[Minecraft:glass pane]]s
	File:Sticky piston rails.gif\|An example of sticky piston use with rails.		File:Sticky piston rails.gif\|An example of sticky piston use with rails
	File:Sticky piston fence.gif\|An example of sticky piston use with fences.		File:Sticky piston fence.gif\|An example of sticky piston use with fences
	</gallery>		</gallery>

	=== Mojang screenshots ===		=== Mojang screenshots ===
	<gallery>		<gallery>
	File:Pistonscreen.png\|First screenshot of pistons.		File:Pistonscreen.png\|First screenshot of pistons
	File:Efe tinkers.jpg\|[[Minecraft:Efe]] tinkering with a sticky piston.<ref>{{mcnet\|trails-tales-update-out-today-java\|Trails Tales Update Out Today on Java\|June 7, 2023}}</ref>		File:Efe tinkers.jpg\|[[Minecraft:Efe]] tinkering with a sticky piston<ref>{{mcnet\|trails-tales-update-out-today-java\|Trails Tales Update Out Today on Java\|June 7, 2023}}</ref>
	File:Stickypiston-header.jpeg\|A sticky piston.		File:Stickypiston-header.jpeg\|A sticky piston
	File:Stickypiston-ingame.jpeg\|Two sticky pistons atop a temple.		File:Stickypiston-ingame.jpeg\|Two sticky pistons atop a temple
	File:Stickypiston-ingame2.jpeg\|Sticky pistons spelling out the word piston.		File:Stickypiston-ingame2.jpeg\|Sticky pistons spelling out the word piston
	</gallery>		</gallery>

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	== See also ==		== See also ==
	*[[Minecraft:Piston]]		*[[Minecraft:Piston]]
	*[[Minecraft:Slime ~~block~~]]		*[[Minecraft:Slime Block]]
	*[[Minecraft:Redstone]]		*[[Minecraft:Redstone]]
	*[[Minecraft:Tutorial:Piston uses]]		*[[Minecraft:Tutorial:Piston uses]]
	*[[Minecraft:Tutorial:Headless pistons]]		*[[Minecraft:Tutorial:Headless pistons]]
	*[[Minecraft:~~Mechanics/~~Redstone/Piston ~~circuits~~]]		*[[Minecraft:Redstone circuits/Piston]]

	== Notes ==		== Notes ==

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	== History ==		== History ==
	{{Needs render\|type=old\|~~<p>~~		{{Needs render\|type=old\|
	* {{bug\|MCPE-38053}}		* {{bug\|MCPE-38053}}
	* extended sticky piston from the original mod		* extended sticky piston from the original mod
	* extended sticky pistons in Legacy Console Edition		* extended sticky pistons in Legacy Console Edition
	* 1.19 changes~~</p>~~}}		* 1.19 changes}}

	=== ''Java Edition'' ===		=== ''Java Edition'' ===

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	{{HistoryTable		{{HistoryTable
	\|{{HistoryLine\|java beta}}		\|{{HistoryLine\|java beta}}
	\|{{HistoryLine\|\|?\|[[File:Sticky piston mod.png\|32px]] The original sticky piston was a mod posted on the [[Minecraft:Minecraft Forums]] by Hippoplatimus.<ref>http://www.minecraftforum.net/viewtopic.php?t=247686&f=1032</ref> The code for that version was given to [[Minecraft:Jeb]], who then worked on implementing pistons into vanilla [[Minecraft:Minecraft]]; Hippoplatimus is in the game's credits under "Additional Programming", like other modders whose work made it into vanilla Minecraft.		\|{{HistoryLine\|\|?\|[[File:Sticky piston mod.png\|32px]] [[File:Sticky piston extended mod.png\|32px]] The original sticky piston was a mod posted on the [[Minecraft:Minecraft Forums]] by Hippoplatimus.<ref>http://www.minecraftforum.net/viewtopic.php?t=247686&f=1032</ref><ref>https://web.archive.org/web/20110402064652/http://www.minecraftforum.net/viewtopic.php?t=247686&f=1032</ref> The code for that version was given to [[Minecraft:Jeb]], who then worked on implementing pistons into vanilla [[Minecraft:Minecraft]]; Hippoplatimus is in the game's credits under "Additional Programming", like other modders whose work made it into vanilla Minecraft.
	\|Another user, DiEvAl, privately submitted code as well, including the idea of [[Minecraft:block entities]] to track moving blocks.<ref>http://www.reddit.com/r/Minecraft/comments/hvkmo/attribution_of_the_piston_mod_in_vanilla_minecraft/</ref>}}		\|Another user, DiEvAl, privately submitted code as well, including the idea of [[Minecraft:block entities]] to track moving blocks.<ref>http://www.reddit.com/r/Minecraft/comments/hvkmo/attribution_of_the_piston_mod_in_vanilla_minecraft/</ref>}}
	\|{{HistoryLine\|\|1.7\|[[File:Sticky Piston (U) JE1.png\|32px]] [[File:Sticky Piston (N) JE1 BE1.png\|32px]] [[File:Sticky Piston (E) JE1 BE1.png\|32px]] [[File:Sticky Piston (S) JE1 BE1.png\|32px]] [[File:Sticky Piston (W) JE1 BE1.png\|32px]] [[File:Sticky Piston (D) JE1 BE1.png\|32px]]<br>[[File:Headless Piston (U) JE1 BE1.png\|32px]] [[File:Headless Piston (N) JE1 BE1.png\|32px]] [[File:Headless Piston (E) JE1 BE1.png\|32px]] [[File:Headless Piston (S) JE1 BE1.png\|32px]] [[File:Headless Piston (W) JE1 BE1.png\|32px]] [[File:Headless Piston (D) JE1 BE1.png\|32px]]<br>Added sticky pistons, alongside associated head and moving blocks.		\|{{HistoryLine\|\|1.7\|[[File:Sticky Piston (U) JE1.png\|32px]] [[File:Sticky Piston (N) JE1 BE1.png\|32px]] [[File:Sticky Piston (E) JE1 BE1.png\|32px]] [[File:Sticky Piston (S) JE1 BE1.png\|32px]] [[File:Sticky Piston (W) JE1 BE1.png\|32px]] [[File:Sticky Piston (D) JE1 BE1.png\|32px]]<br>[[File:Headless Piston (U) JE1 BE1.png\|32px]] [[File:Headless Piston (N) JE1 BE1.png\|32px]] [[File:Headless Piston (E) JE1 BE1.png\|32px]] [[File:Headless Piston (S) JE1 BE1.png\|32px]] [[File:Headless Piston (W) JE1 BE1.png\|32px]] [[File:Headless Piston (D) JE1 BE1.png\|32px]]<br>Added sticky pistons, alongside associated head and moving blocks.

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2026-08-08T11:29:43Z

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	\|{{HistoryLine\|\|\|dev=17w49a\|Piston heads are now once again removed when breaking a sticky piston while it is extending.		\|{{HistoryLine\|\|\|dev=17w49a\|Piston heads are now once again removed when breaking a sticky piston while it is extending.
	\|Sticky pistons' block dropping behavior has been removed.<ref>{{bug\|MC-122911\|}}</ref>}}		\|Sticky pistons' block dropping behavior has been removed.<ref>{{bug\|MC-122911\|}}</ref>}}
	\|{{HistoryLine\|\|\|dev=17w49b\|Sticky pistons can now drop blocks again. According to [[Minecraft:Grum]], this behavior was restored by fixing {{bug\|MC-122711\|}},<ref>https://bugs-legacy.mojang.com/browse/MC-122911?focusedId=421892&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-421892</ref> however that bug was actually fixed in snapshot [[Minecraft:17w49a]]—additionally, ~~it should be noted that~~ in [[Minecraft:17w48a]] (the only snapshot that was ever actually affected by MC-122711) block dropping still worked as expected.}}		\|{{HistoryLine\|\|\|dev=17w49b\|Sticky pistons can now drop blocks again. According to [[Minecraft:Grum]], this behavior was restored by fixing {{bug\|MC-122711\|}},<ref>https://bugs-legacy.mojang.com/browse/MC-122911?focusedId=421892&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-421892</ref> however that bug was actually fixed in snapshot [[Minecraft:17w49a]]—additionally, in [[Minecraft:17w48a]] (the only snapshot that was ever actually affected by MC-122711), block dropping still worked as expected.}}
	\|{{HistoryLine\|\|\|dev=pre6\|Sticky pistons can now pull [[Minecraft:glazed terracotta]].<ref>{{bug\|MC-133214\|}}</ref>}}		\|{{HistoryLine\|\|\|dev=pre6\|Sticky pistons can now pull [[Minecraft:glazed terracotta]].<ref>{{bug\|MC-133214\|}}</ref>}}
	\|{{HistoryLine\|\|\|dev=pre8\|Sticky pistons can no longer pull glazed terracotta.}}		\|{{HistoryLine\|\|\|dev=pre8\|Sticky pistons can no longer pull glazed terracotta.}}

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2026-07-08T11:16:29Z

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	\| invimage = Sticky Piston		\| invimage = Sticky Piston
	\| transparent = '''[[Minecraft:JE]]''': No<br>'''[[Minecraft:BE]]''': Yes		\| transparent = '''[[Minecraft:JE]]''': No<br>'''[[Minecraft:BE]]''': Yes
			\| waterloggable = {{jebe\|No\|Yes}}
	\| light = No		\| light = No
	\| tool = Pickaxe		\| tool = Pickaxe

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	==== Block dropping ====		==== Block dropping ====
	{{exclusive\|java\|section=1}}		{{exclusive\|java\|section=1}}
	~~Sticky pistons finish~~ extending early and ~~start~~ retracting if ~~they lose~~ power before the extension process is over~~; most 2[[Minecraft:Tick#Game tick \| game tick]] long pulses, some 3 game tick long pulses~~ (~~when [[Minecraft:Piston#Start delay\|start delay]] is present~~) ~~and all pulses equal to or shorter than 1 game tick that pistons can react to allow this to happen~~. ~~This causes a~~ sticky piston ~~to "drop"~~ the ~~blocks it's pushing, leaving them behind when it starts to retract. Also~~, the first ~~out of the blocks that are being moved~~ ends up in its final position ~~as soon as~~ the ~~piston starts retracting. This behavior is referred to~~ as "block dropping"<ref> Jeb has once said that the observer block's pulse "Allows tricking sticky pistons into dropping blocks" - https://www.reddit.com/r/Minecraft/comments/5c752g</ref> or sometimes "block spitting".		A sticky piston finishes extending early and starts retracting if it loses power before the extension process is over (assuming it can detect the signal change). If the sticky piston was pushing one or more blocks during the extension, the first block ends up in its final position immediately and all the other blocks continue moving as if they were still being pushed.

	A sticky piston ~~still pulls~~ a block ~~back if~~ the ~~piston extended through an air gap~~ to ~~contact the block~~.		This behavior is intended<ref>{{bug\|MC-5726\|\|\|WAI}}</ref> and is referred to as "block dropping"<ref> Jeb has once said that the observer block's pulse "Allows tricking sticky pistons into dropping blocks"—https://www.reddit.com/r/Minecraft/comments/5c752g</ref> or sometimes "block spitting".

			Block dropping only works for blocks that were being pushed by the sticky piston before its extension was canceled—if it wasn't pushing any, the sticky piston attempts to pull blocks as usual once it starts retracting.

			With block dropping it's possible to push (but not pull) a waterlogged block without causing the water to disappear.<ref>{{bug\|MC-130183\|\|\|}}</ref>

	== Limitations ==		== Limitations ==
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	== Trivia ==		== Trivia ==
	* ~~Mojang stated that the 12-block push limit for~~ sticky pistons ~~would not be changed, because "the current limitations are by design"~~.<ref>		*Jeb considers ''inertia'' to make sense as an interpretetion of why can sticky pistons drop blocks {{in\|je}}.<ref>https://reddit.com/r/Minecraft/comments/5c752g/help_us_decide_should_observers_update_at_1_or_2/d9zmv4l/?context=3#d9zmv4l</ref>
	~~{{cite~~
	~~\|url=~~https://~~feedback~~.~~minecraft.net~~/hc/~~en-us~~/~~articles~~/~~360005029872-Previously-Considered-Suggestions~~
	~~\|title~~=~~Piston Push Limits (and increases). The current limitations are by design.~~
	~~\|website=Minecraft Feedback~~
	~~\|date=January~~ 3~~, 2019}}~~
	</ref>
	* When toggled between on and off rapidly with a gravity affected block (such as sand) above it, a sticky piston can eventually break the block, which can be picked up as a resource. However, gravel broken this way never drops flint.
	* If a sticky piston powered by a short pulse directly pushes a waterlogged block, the block remains waterlogged at its new position.
	* Carpet can be placed on the sticky piston extension block, and remains even if it is replaced with a solid block using {{cmd\|setblock}}.

	== Gallery ==		== Gallery ==

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	{{IN\|be}}, the start delay is fixed at 1 [[Minecraft:redstone tick]] which is {{convert\|2\|game tick\|second}}, meaning that the sticky piston starts to extend or retract 1 redstone tick (2 game ticks) after it is activated. Sticky pistons can only activate on the input/consumer redstone tick ([[Minecraft:C-tick]]).		{{IN\|be}}, the start delay is fixed at 1 [[Minecraft:redstone tick]] which is {{convert\|2\|game tick\|second}}, meaning that the sticky piston starts to extend or retract 1 redstone tick (2 game ticks) after it is activated. Sticky pistons can only activate on the input/consumer redstone tick ([[Minecraft:C-tick]]).

	~~==== Soft Inversion ====~~
	~~{{exclusive\|bedrock\|section=1}}~~
	{{IN\|be}}, a unique mechanic known as "soft inversion" occurs when a sticky piston is "soft-powered" by redstone. A [[Minecraft:redstone torch]] attached to such a [[Minecraft:soft-powered]] sticky piston will be deactivated, deviating from the normal rule that requires a block to be "[[Minecraft:hard-powered]]" to deactivate an attached torch. This piston-specific behavior allows for circuit designs where the torch is turned off by a dust line running into the side of the sticky piston's block, a feature exclusive to this edition.

	=== Pulling ===		=== Pulling ===
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	Sticky pistons have the same [[Minecraft:piston#Limitations\|limitations for pushing]] as normal pistons. These limitations also apply for pulling: when a sticky piston is unpowered but cannot pull a block, it retracts without doing so.		Sticky pistons have the same [[Minecraft:piston#Limitations\|limitations for pushing]] as normal pistons. These limitations also apply for pulling: when a sticky piston is unpowered but cannot pull a block, it retracts without doing so.

	The table below lists which blocks can be ~~pushed or~~ pulled.		The table below lists which blocks can or cannot be pulled.

	{{:Sticky_Piston/Table}}		{{:Sticky_Piston/Table}}

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2026-04-16T11:19:46Z

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2026-04-09T20:59:49Z

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← Older revision		Revision as of 11:29, 8 August 2026
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	\|{{HistoryLine\|\|\|dev=17w49a\|Piston heads are now once again removed when breaking a sticky piston while it is extending.		\|{{HistoryLine\|\|\|dev=17w49a\|Piston heads are now once again removed when breaking a sticky piston while it is extending.
	\|Sticky pistons' block dropping behavior has been removed.<ref>{{bug\|MC-122911\|}}</ref>}}		\|Sticky pistons' block dropping behavior has been removed.<ref>{{bug\|MC-122911\|}}</ref>}}
	\|{{HistoryLine\|\|\|dev=17w49b\|Sticky pistons can now drop blocks again. According to [[Minecraft:Grum]], this behavior was restored by fixing {{bug\|MC-122711\|}},<ref>https://bugs-legacy.mojang.com/browse/MC-122911?focusedId=421892&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-421892</ref> however that bug was actually fixed in snapshot [[Minecraft:17w49a]]—additionally, ~~it should be noted that~~ in [[Minecraft:17w48a]] (the only snapshot that was ever actually affected by MC-122711) block dropping still worked as expected.}}		\|{{HistoryLine\|\|\|dev=17w49b\|Sticky pistons can now drop blocks again. According to [[Minecraft:Grum]], this behavior was restored by fixing {{bug\|MC-122711\|}},<ref>https://bugs-legacy.mojang.com/browse/MC-122911?focusedId=421892&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-421892</ref> however that bug was actually fixed in snapshot [[Minecraft:17w49a]]—additionally, in [[Minecraft:17w48a]] (the only snapshot that was ever actually affected by MC-122711), block dropping still worked as expected.}}
	\|{{HistoryLine\|\|\|dev=pre6\|Sticky pistons can now pull [[Minecraft:glazed terracotta]].<ref>{{bug\|MC-133214\|}}</ref>}}		\|{{HistoryLine\|\|\|dev=pre6\|Sticky pistons can now pull [[Minecraft:glazed terracotta]].<ref>{{bug\|MC-133214\|}}</ref>}}
	\|{{HistoryLine\|\|\|dev=pre8\|Sticky pistons can no longer pull glazed terracotta.}}		\|{{HistoryLine\|\|\|dev=pre8\|Sticky pistons can no longer pull glazed terracotta.}}