Ekkyklema
（重定向自Eccyclema）
An ekkyklêma (/ˌɛksᵻˈkliːmə/; Greek:εκκύκλημα; "roll-out machine") was a wheeled platform rolled out through a skênê in ancient Greek theatre. It was used to bring interior scenes out into the sight of the audience. Some ancient sources suggest that it may have been revolved or turned.