Saturday

2017 Big 12 Gymnastics Championship

Some of the best in collegiate gymnastics compete for the Big 12 title. The top three finishers in each event are named to the All-Big 12 Championship team. The event starts at 3:30 p.m. at Dr Pepper Arena, 2601 Avenue of the Stars. Tickets are $7 for ages 3-12 and $10 for adults. For more information, visit www.big12sports.com.

‘Madam Butterfly’ free simulcast

The Dallas Opera presents its 15th free community simulcast, featuring the opera "Madam Butterfly," at The Star in Frisco, One Cowboys Way. The family zone and box office will open at 5 p.m., the pre-show  begins at 6:30 p.m. and the simulcast of “Madam Butterfly” begins at 7:30 p.m. For more information about the free event, visit www.dallasopera.org/simulcast. Sunday

Open House at Frisco Heritage Center

Frisco Heritage Center will be open free of charge in honor of Frisco’s 115th birthday. The open house will include docent-guided tours, crafts and games, face painting, entertainment, live animals and working blacksmiths. The open house takes place 1-4 p.m. at Frisco Heritage Center, 6455 Page Street. Visit www.friscoheritage.org for more information.