Mould FanMei 35 pneumatic kits are compatible with Lego, including 10 types of technical pneumatic cylinders, MOC air pump piston pressure rods, suitable for crane van spare parts set : Amazon.de: Home
LEGO Technic - Dark Bluish Gray Pneumatic Switch with Pin Holes x1 Loose
Amazon.com: Lego Technic
Ein LEGO® Pneumatik-Schlauch 4mm Durchmesser (Blau 6.4cm): Amazon.de: Spielzeug