https://makezine.com/article/home/fun-games/flexpicker/
Lego Quad Flexpicker Can Sort 48 Bricks Per Minute - Make:
Apr 16, 2011 - Shep's quad flexpicker packs 6 NXT microcontroller bricks, 22 motors and servos, and 26 sensors and muxes, and takes the form of four delta robots
lego quadper minutesort48bricks