![Amazon.com: Goshfun 19Pcs 10-Kinds MOC Pneumatic Parts Bricks with Air Pump Push Rod Switch Piston Air Pipe, DIY Small Particle Stem Building Blocks Toy Set Compatible with Lego, Random Color of Air Amazon.com: Goshfun 19Pcs 10-Kinds MOC Pneumatic Parts Bricks with Air Pump Push Rod Switch Piston Air Pipe, DIY Small Particle Stem Building Blocks Toy Set Compatible with Lego, Random Color of Air](https://m.media-amazon.com/images/I/61BwPdU+cPL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Goshfun 19Pcs 10-Kinds MOC Pneumatic Parts Bricks with Air Pump Push Rod Switch Piston Air Pipe, DIY Small Particle Stem Building Blocks Toy Set Compatible with Lego, Random Color of Air
![LEGO part 2793c01 - Trans-Clear Pneumatic Cylinder with 2 Inlets Medium (48mm) with Black Top at BrickScout LEGO part 2793c01 - Trans-Clear Pneumatic Cylinder with 2 Inlets Medium (48mm) with Black Top at BrickScout](https://img.brickscout.com/63/9d/55/af/23/8e/4f/11/b4/26/25/9d/cb/b8/b8/ab/750x750.png)
LEGO part 2793c01 - Trans-Clear Pneumatic Cylinder with 2 Inlets Medium (48mm) with Black Top at BrickScout
![LEGO Transparent Light Blue Two Way Pneumatic Cylinder (47225 / 63855) | Brick Owl - LEGO Marketplace LEGO Transparent Light Blue Two Way Pneumatic Cylinder (47225 / 63855) | Brick Owl - LEGO Marketplace](https://img.brickowl.com/files/image_cache/larger/lego-transparent-light-blue-two-way-pneumatic-cylinder-47225-63855-28-822400-101.jpg)
LEGO Transparent Light Blue Two Way Pneumatic Cylinder (47225 / 63855) | Brick Owl - LEGO Marketplace
![Why won't my brand new lego pneumatic pump activate the pneumatic cylinder? Did I do something wrong? : r/lego Why won't my brand new lego pneumatic pump activate the pneumatic cylinder? Did I do something wrong? : r/lego](https://preview.redd.it/why-wont-my-brand-new-lego-pneumatic-pump-activate-the-v0-1g39cr8ozz7a1.jpg?auto=webp&s=74eceeeed257aefaef0b8ab9586acc20937cf357)
Why won't my brand new lego pneumatic pump activate the pneumatic cylinder? Did I do something wrong? : r/lego
![Amazon.com: LEGO Technic 4 pcs NEW YELLOW MINI PNEUMATIC PISTON CYLINDERS Air pressure Pump pack lot set switch hose small little robot robotics : Toys & Games Amazon.com: LEGO Technic 4 pcs NEW YELLOW MINI PNEUMATIC PISTON CYLINDERS Air pressure Pump pack lot set switch hose small little robot robotics : Toys & Games](https://m.media-amazon.com/images/I/41FeCLokggL.jpg)
Amazon.com: LEGO Technic 4 pcs NEW YELLOW MINI PNEUMATIC PISTON CYLINDERS Air pressure Pump pack lot set switch hose small little robot robotics : Toys & Games
![LEGO Technic Pneumatic Cylinder Old 48mm with Black Piston (4 Studs Long) | Brick Owl - LEGO Marketplace LEGO Technic Pneumatic Cylinder Old 48mm with Black Piston (4 Studs Long) | Brick Owl - LEGO Marketplace](https://img.brickowl.com/files/image_cache/larger/lego-technic-pneumatic-cylinder-old-48mm-with-black-piston-4-studs-long-25-646183.jpg)
LEGO Technic Pneumatic Cylinder Old 48mm with Black Piston (4 Studs Long) | Brick Owl - LEGO Marketplace
![Amazon.com: Goshfun 32Pcs 10-Kinds MOC Pneumatic Parts Bricks with Air Pump Push Rod Switch Piston Air Pipe, DIY Small Particle Stem Building Blocks Toy Set Compatible with Lego, Random Color of Air Amazon.com: Goshfun 32Pcs 10-Kinds MOC Pneumatic Parts Bricks with Air Pump Push Rod Switch Piston Air Pipe, DIY Small Particle Stem Building Blocks Toy Set Compatible with Lego, Random Color of Air](https://m.media-amazon.com/images/I/61LO-rtSR4L.jpg)