Celebrate Hoffman Fabrics' 100 Year Anniversary with a special edition of the Hoffman Challenge. Join the 100 year Hoffman challenge and put your creative and technical skills to the test. Participants are required to use a minimum of 5 out of 15 batik fabrics from the collection in their artwork entry. A minimum of five of these challenge fabrics must be used in the body of the quilt top or garment in recognizable, but not necessarily equal amounts.