The Lego Night Thread Turns on the Waterworks

A few months ago I stumbled across a YouTube channel called Brick Technology. Lego was a huge facet of my youth, and seeing some of the things this person has been able to accomplish with the medium blew my mind. As such, I decided to take over today’s Open Threads to showcase some of these accomplishments. Tonight, we have a system of seven unique water pumps:

Have a great night, everyone!