Marshmallow Towers is a fun activity to teach the costs of production, total revenue, and profit maximization. Student make towers out of marshmallows and toothpicks.

British Science Week is happening now, and we are taking part by building the tallest tower with spaghetti and marshmallows.

Tom Wujec presents some surprisingly deep research into the "marshmallow problem" -- a simple team-building exercise that involves dry spaghetti, one yard of tape and a marshmallow. Who can build the tallest tower with these ingredients?...