I just happened upon the Marshmallow Challenge this afternoon while procrastinating online. The Marshmallow Challenge is a design challenge to build the tallest free-standing structure possible out of spaghetti, tape, string and one marshmallow that has to be on top. I think this is going to play into experimental design and group work.
I am definitely adding this to my fist week of school. Below is a TED video that explains what you can learn from the Marshmallow Challenge.