Master Y Kim’s World Class Tae Kwon Do opened July 22 at 10935 Rolater Road, Ste. 140, Frisco. The taekwondo gym provides lessons for children as young as age 4 as well as adult classes for those age 13 and older. Master Y Kim’s Tae Kwon Do also offers before- and after-school programs. 972-358-3400. www.ykimtkd.com