The 2013 New England ThinkFest will be held Saturday, November 2, 10AM-3PM at Merrimack College’s  Sakowich Campus Center, 315 Turnpike Street in North Andover (map).  Sponsored by Merrimack College and the Boston Society of Civil Engineers, ThinkFest is a hands-on STEM festival full of CD cars, wind sail rafts, water dams, ballon towers, science experiments, bridge modeling, math puzzles, trebuchet catapults, prizes for winning design challenges, and assistance from engineers and scientists from all over New England.