An engineering event for both high school and middle school students. This event involves a constructing a lightweight bridge that is capable of holding the most weight possible.
Examples of possible truss designs:
Scioly.org - Licensed under CC BY 3.0
Warren Truss
Scioly.org - Licensed under CC BY 3.0
Pratt Truss
Scioly.org - Licensed under CC BY 3.0
Howe Truss