![LEGO 970117 Pneumatic Hand Pump (Pack of 2) Set Parts Inventory and Instructions - LEGO Reference Guide LEGO 970117 Pneumatic Hand Pump (Pack of 2) Set Parts Inventory and Instructions - LEGO Reference Guide](https://www.toysperiod.com/img/cache/25/800x600/d4e4o5g414p4n5x5m4g574a4u5l4a4p4e5c4v5k4m5u243a4x2v22443s2w2w2v224c4k4l5l2z2s2p2l23354p2.jpg)
LEGO 970117 Pneumatic Hand Pump (Pack of 2) Set Parts Inventory and Instructions - LEGO Reference Guide
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Amazon.com: Build 35 Piece Pneumatic Kits with Technik Parts Contains Air Pump, Piston Pressure Rod, Air Lines, Pneumatic Parts Perfect for DIY, MOC Tech, Compatible with Lego : Industrial & Scientific
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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
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Why won't my brand new lego pneumatic pump activate the pneumatic cylinder? Did I do something wrong? : r/lego
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