The guys over at BattleBricks have built an interesting toilet-flushing LEGO robot called “RoboFlush“. Video after the jump.

Using only parts from a standard NXT Mindstorms kit, Will Gorman rigged up a contraption that employs the ultrasonic sensor module to detect the presence and then absence of a bathroom-goer, and also features a dedicated button to perform a Rube Goldberg-esque manual flush

[via engadget]