Mandu sells air pumps, solenoid valves, tubing and other parts needed for building soft robotics and other pneumatic moving parts
See the Soft robotics toolkit from Harvard for more information.
Makeblock Air Pump Motor - DC 12V/370-02PM
Makeblock ø6 Pneumatic Tube - Blue (2m)
Makeblock ø4 Pneumatic Tube - Blue (2m)
Makeblock ø4 Elbow Connector for Air Tubing (4-Pack)
Makeblock ø4 Cross Four-Way Connector for Air Tubing (4-Pack)