Kammala wannan jumla: Gidan wasan kwaikwayon ya samu kudi daga Iris, daga kudaden da aka samu daga wani yawon shakatawa na kwanan nan. Masu zanen gini sune Capetillo Servín da Federico Mariscal waɗanda suka kafa aikin a gidan wasan kwaikwayo na La Scala a Milan, Italiya. An buɗe gidan wasan kwaikwayon a ranar 25 ga Mayu, 1918, kwana biyu bayan da mawaƙin na Mexico ya dawo daga Kudancin Amurka. Shugaban kasar Venustiano Carranza da majalisar ministocinsa sun halarci taron. Aikin buɗewa ya kasance wasan kwaikwayo na wasan kwaikwayo "La Duquesa del Bal-Tabarín" kuma Iris kanta ta saƙa wasu lambobin kiɗa. Bayan buɗewa, ya kasance mafi mahimmancin wurin al'adu a cikin birni, har zuwa lokacin da aka jinkirta buɗe Palacio de Bellas Artes a cikin 1930s. Duk da cewa
Yaƙin da ke gudana a Mexico, Iris ta sami damar jawo hankalin taurari na duniya da yawa zuwa gidan wasan kwaikwayo, gami da Enrico Caruso da Anna Pavlova.