Added rules...
1. There has to be a 6 inch space
2. Can only use book boxes
This group figured out that there needed to be a support under the bridge to keep it sturdy. We shared their findings with the class and then everyone began to find some cool ways!


We tried all kinds of things!


If we bend the outsides, we can fit a lot of counters on the bridge without it collapsing!




Look at this walking step bridge! Super cool!
