Tech Challenge- tower structures

Each group's aim was to build a structure as tall as possible able to support a marble strung from the top of the structure for a minimum of 30 seconds.  They were allowed 30 A4 size pages, 1m of sticky tape, and 3 satay sticks.  Excellent thinking and execution from Bayedan, Hugh, Jeremy and Ghaarieth.  Here is their wnning tower- over 1m in height: