Sometimes even the teacher just can't stand by and watch everyone having fun.  Mrs. Smith jumped in and made a bridge too.  This bridge was made too small on purpose
(to  discourage those who might be tempted to copy it). 

Then the bridge was modified so that it would mee the building code and be allowed to compete to hold the most weight.  This bridge did really well but did not win. 
                                      Maybe next time.
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