The McDonald's CODE The Woobles Free Mystery Kit & Tin is a crochet kit that includes one mystery kit and tin with the purchase of McDonald's products. This kit, featuring the Woobles brand, offers a fun and unique crochet project for crafters and knitters looking to create something special with their purchase. With a touch of mystery and exclusive Monopoly perks, this kit is sure to provide hours of entertainment and creativity for fans of needlecrafts and yarn projects.