The 23rd annual Merrimack Knights of Columbus Fall Craft Fair will be held 5 p.m. – 8 p.m. Friday, November 3 and 9 a.m. - 3 p.m. Saturday, November 4 in the Mastricola Upper Elementary School.  There will be more than 40 crafters offering a wide variety of hand-made crafts. The event will also include a bake table, chance auction, and a food counter serving home-made meals and snacks. The event admission is free.