Twenty nine rather spectacular constructions have been entered this year, some built by enthusiastic amateurs, some by schoolchildren, and some by firms of professional architects.
The theme has been chosen to fit with one of the museum's ongoing exhibitions, "Louis Kahn. The Power of Architecture".
The exhibition opens at 2pm and will end on January 5 with the destruction of the models, and their subsequent consumption.
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Here is a gallery showing this year's best entries, along with some of the best from last year.