Paper Bridges

 The look on their faces when the "Paper Bridge Challenge" was given to them was priceless.  250 pieces of paper and tape were the only materials they could use for this challenge.  The goal was to have the bridge hold 80 pounds.  It also had to have real-life attributes to let cars pass above the bridge as well as under the bridge. The minds of the third graders involved with this challenge was very fun to observe.  Every bridge looked very different, and every bridge held at least 50 pounds, some even held over 100 pounds!