The materials needed to make a model house depends on what type of house you are making. Some model houses can be bought in kits and just need assembling while others require lots of materials. Materials can include cardboard, adhesive, twigs and even stones.
Sydney Opera House was build in 1957. And was created by Jorn Utzon. He designed the Sydney Opera House and won a award of money 5000 pounds. It took 7 years to build the model of the Opera House and 17 years to comp;ete the actual building.