19Pcs Pneumatic-Technic-Parts Kit Compatible with Lego-Pneumatic Cylinders-Air-Pump Pressure Rod Switch Piston Hose Technic Linear Actuator MOC-Replacement-Parts.

Habow 19Pcs Pneumatic-Technic-Parts Kit Compatible with Lego-Pneumatic Cylinders-Air-Pump Pressure Rod Switch Piston Hose Technic Linear Actuator MOC-Replacement-Parts.

Habow 45Pcs Power-Function Technic-Parts Kit M/L/XL/Servo/Train-Motor IR Speed Remote Control Battery Box IR Receiver Extension Wire Light Cord Control Switch Compatible with Lego-Motor-Kit.

Habow 233pcs Technic-Parts Technic-Gears Axle-Pin-Connector Compatible with Lego-Technic Technic Cam Worm Cogs Gears Steering Parts Differential Engine Kit. MOC Pieces for Replacement Pieces.