Barr is using the safety aspect as a learning tool, too. Engineers design the roads and bridges and they must show a design first. A lot of people have to use them they have to be done in a safe manner. Students are reminded of the upcoming construction. If it was done without any plans then the children might be in danger.
Form is just as important as functions.
The architect designs the walls to be at 90-degree angles, Barr explained to the class. Barr asked the students. Whether it's math, art, angles. With this project we bring it all together. It's kind of neat seeing it before it happens.