Which team can construct the tallest free standing structure using potatoes and tooth-picks. (Give the winning team certificates that are good for large fries at a local restaurant.) Two other competitive structures that work well are made using marshmallows and tooth-picks and also plastic straws and scotch tape.
Excerpt from ΓÇ£Spirit Works...Turn it On!ΓÇ¥ 4th Edition by Bob Burton, courtesy of Bob Burton-