Portlandjib.com
bridge kit
 

     THE  BRIDGE  KIT  consists of:

    -hundreds of pieces- plywod strips, nuts and bolts, turn-buckles etc.

    - a 30-40 minute video

    - lesson plans for the teachers

     There are enough "pieces" to construct 15 different bridges e.g.:

 

cantbridge.JPG
heeltrunnion.jpg
trusshang.jpg
warrentrussjpg.jpg
throughtrussjpg.jpg
trussbridge.jpg
alamillo.jpg
_DSC0017.JPG