In honor of National Girl Scout Day on March 12, Wendy's will offer customers a free small Thin Mints Frosty with any purchase. Choose from vanilla or chocolate. Download the Wendy's app or visit order.wendys.com then log in or create an account to claim the offer on 3/12.

Additional Info

For St. Patrick's Day, Wendy's customers can also get a free order of fries on March 17th with a minimum $5 purchase.