Brett Clark and Daniel Walker-Duvay of Consolidated School try to untangle themselves Thursday, May 23 at The Braid puzzle station, part of the Julia Robinson Math Festival. The Braid was one of the more physical puzzles. Fifth graders from Mildred L. Day, Consolidated and Sea Road schools were invited to attend the festival at University of New England’s campus in Biddeford. (Alex Acquisto photo) 3p1.jpg