Pistons are coming to Minecraft. No, not the Detroit Pistons — although that would be pretty great.

Minecraft developer Mojang announced today that it will release piston blocks for free for the Pocket and Windows 10 versions of the building-focused game. Pistons can push away other blocks, which can create complex machines like automatically opening doors. Pistons will be in the upcoming The Friendly Update. It doesn’t have a release date, but Mojang says it is coming soon. Free updates like this keep players engaged and entertained. It’s one of the reasons Minecraft has sold over 100 million copies on all of its many platforms, which also include PlayStation 4, Xbox One, and Wii U.

Pistons released for the original PC version of Minecraft in 2012. The console versions have pistons, too. The Pocket and Windows 10 Editions of Minecraft have fewer features than the PC release. Mojang has made an effort to bring more complex tools from the original to the these versions.

“Pistons have been a top feature requested by the Minecraft community, and we are excited to deliver the feature to players soon, which will allow them to create even cooler buildings and contraptions in their Minecraft worlds,” Mojang noted in a press release sent to GamesBeat.

You can watch pistons in action in the trailer below.

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Minecraft for Android, iOS, and Windows 10 is getting pistons