Its not a keyboard, but it is less than $200
this 'serger' is a type of sewing machine
it has motors and gears and dials and springs and a metal chassis, an attractive molded case
an electric foot pedal, optional feet for specialty serging it runs two sewing needles and two thread
feeders from 4 spools of thread and can do 3 or 4 thread stiches.
includes a couple of DVDs and is pre-threaded
my last keyboard came with a spare ESC key and a keycap puller.