St. Matthew’s School 2440 Conestoga Road, Chester Spring. Friday, March 13 5:30 to 7:30 PM and Saturday, March 14 from 8:00am - 10:00pm is the 50% off sale. Sellers from the Chester Springs area are consigning a selection of gently used Spring and Summer children’s clothes (newborn to teens), as well as toys, puzzles, books, furniture, baby equipment, outdoor play toys, bikes, electronics, and more. New sellers are always welcome.