Building robot arms at Belmont Library

William Ropchan, 8, left, Cecelia Lunn, 5, Tim Flikkema, 8, and Mason Lunn, 8, attached a switch to the robot arm they were constructing during a Mad Science workshop at the Belmont Library on Tuesday, July 22. Twenty-five children aged 5 to 12 participated in the workshop that was offered in the library’s lower level.