 Most visitors arrived on the New York City Subway, whose Coney Island–Stillwell Avenue station opened in 1920.From its earliest days, Childs' interiors were characterized by high-quality materials such as white tile walls and floors, marble communal tables, and modern electric lighting and fans.Most locations were in storefronts and other rented quarters that the company did not control, but when the company started to build locations specifically to be Childs restaurants the company demanded similar quality in its exterior architecture.