Air compressor with double air pump.
Suitable for Lego pneumatic models with a maximum of 4 large cylinders used at the same time. Steady pressure by opposite movement of the pumps. Includes long hose (42L) to connect to your model. Suitable for 9V Lego Technic motor used in motorset 8720 or 8735. Both types of motors can be built in. Motor, electric wire and batterybox not included. If you need a motor, look at 'Lego Technic Motorset 8735'.