Operation is a battery-operated game made by Milton Bradley and has been in production since 1965. It consists of an "operating table," lithographed with a comic likeness of a patient (nicknamed "Cavity Sam") with a large, red light-bulb for his nose. In the surface are a number of openings, which reveal fictional and humorously-named ailments made of white plastic. Players take turns removing a particular ailment, using a pair of tweezers connected with wire to the board. If a player successfully removes the ailment they collect the amount shown on their card. However, if the tweezers touch the metal edge of the opening during the attempt (closing the circuit), a buzzer sounds, the patient's nose lights up red, and the player loses their turn.