Pinwheels

 are Interactive Objects and Hazards in Hot Air 2: All Blown Up. It is a stick attached to the ground that has purple propellers on top.

Description
The player has to Blow with their Fan them to raise the Castle Gate. The Castle gate can only be blown a certain height until it it can be blown higher no further. It will then slowly come down. A Pinwheel is located close to the Green Pad and Red Pad.