Deus Ex Machina The deus ex machina is the machine of the gods, which raised and lowered actors by using a crane like device.
Ekkyklema The ekkyklema is a wheeled platform that was used to show the audience the dead character.
Periactoi Periactoi is a scene changing device, shaped triangular, which was turned to depict a different scene.
Bronteion A bronteion was known as the thunder machine. Balls or rocks would fall and run under the seats of the audience then collected at the bottom after the performance.