29 pcs Pneumatic-Kit Compatible with Technic-Parts air-Pump, Piston-Pressure Rod Cylinder Pressure Gauge Technic-Pieces

‌29pcs Pneumatic-Kit: 1 * 1 × 11 V2 cylinder air pump, 1 * 2 × 11 V2 cylinder, 1 * 1x6 air pump, 1 * 1x5 cylinder (V2 pneumatic push rod), 1 * spring air pump, 1 * square bottom air pump, 1 * 7 L atmospheric piston, 1 * 2m hose, 1 * air tank, 1 * barometer, 1 * small push rod, 1 * long push rod, 1 * extended push rod, 3 * pneumatic switch, 3 * push rod connector, 5 * tee connector (99021), 5 * tee connector (4697b). Zylopa Pneumatic-Kit fully compatible with the famous brand Technic Parts. Pneumatic hose: outer diameter 4mm, inner diameter 2mm, length 2m. The pneumatic parts are well sealed and have good air tightness. Fun and useful for your technic project, a great gift choice for building block fans.