A show house, also called a model home or display home, is a term for a "display" version of manufactured homes, or houses in a subdivision. They are used on newly built developments to show the living space and features of homes available. 
They often have pieces of cardboard for "appliances" and use pieces of glass for the "food and drink", etc.
- Oxford English Dictionary (in English). Oxford University Press. 2013. "'a house on a newly built estate which is furnished and decorated to be shown to prospective buyers'."
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