Truss Us - Its Sturdy! Using scientific principles applied to engineering concepts, children will use straws and paper clips to build the sturdiest structure they can. Every design's strength will be tested by topping each with increasing numbers of weights and still remain standingDrop in for Science Sunday, second Sunday of the month. Best for ages 7+ Sponsored by Con Edison and Woodard & Curran Foundation Offered twice - 11:30am AND 1:30pm