Home - Len's Mill Stores Len's Mill, Len's Mill Store, Ontario, fabric, yarn, sewing, quilt, knitting, crochet, craft, Barrie, Brantford, Cambridge, Guelph, Hamilton, Hawkesville, London, Port Dover, Toronto, North York, Waterloo, Woodstock, St. Jacobs, Kitchener At Len's Mill Stores you will find an amazing selection of fabrics, yarns, craft supplies, and sew much more at very low prices! Stop by one of our 11 huge factory outlets in Ontario.