Operation is an early and surprisingly durable example of that rare thing; a natural crossover between the worlds of board game and electronic game (and delicate medical procedure). A pair of metal tweezers are used to remove comically-named plastic body parts (amongst them “wish bone”, “funny bone”, and “butterflies in stomach”) from the prostrate form of a cartoonish man who looks not entirely unlike a well-groomed and marginally less uninteresting Fred Flintstone.