Pasta Bridges

Question: At what time do the students place their plastic cup onto their bridge? Do they do that before the 20 minute time period has elapsed? Or do they place the plastic cup at the time their bridge is to be tested?

Answer:  They place the cup when the bridge is about to be tested. (after measuring the height and width) . It is strongly recommended that participants test placing the cup multiple times during the build process to avoid surprises of instability.