I recall making something like Futuna chapel from Lego when I was about 12 years old - and someone in New Zealand was presumably thinking the same. In hindsight (and as usual) the congregation dwindled, the community closed down, and it now sits on the edge of retirement development; it's also, of course, had to be extensively earthquake-strengthened and renovated. But as a small masterpiece of radical design it had to be saved and is much loved...