What is Balsa wood bridge?

The building of balsa-wood bridges is often used as an educational technology. It may be accompanied by a larger project involving varying areas of study.

Typically classes which would include a balsa wood bridge cover the subject areas of physics, engineering, static equilibrium, or building trades, although it may be done independently of any of these subjects. Building a balsa wood bridge can be done after completing a section or unit covering a related topic or the process of design and building can be used to guide students to a better understanding of the desired subject area.