Practicable learning is the most important element of the education. All of the information that you gather during the lessons, can not serve you until you try it. Generally, at universities, there is more theory that practical education. However, especially, the architecture students make their plans and afterwards make the models according to the plan. Therefore, they can see if everything is well and if everything is correctly calculated. As you can see here, the dimensions of the models can vary.
Practicable Learning and Making Models
Additionally, see the examples on the pictures below. Also, for more pictures, click the link underneath.