The Top 5 Things to Do in St. Louis This Weekend: March 7–9

March 7: Arch Rival Roller Girls 2014 Season Championship

The Arch Rival Roller Girls teams duke it out during the main event. After the Stunt Devils and Rebel Skate Alliance fight for third place, the M-80s face the defending champs, The Smashinstas, for the championship trophy. $6–$25. 8 p.m. Chaifetz Arena, 1 S. Compton, 314-977-5000, facebook.com/archrivalrollergirls.

March 7 & 8: Schlafly Stout and Oyster Festival

March 7, 8 & 9: Peter and the Starcatcher

St. Louis resident Ridley Pearson and humorist Dave Barry collaborated on the novel Peter and the Starcatchers, about how Peter Pan became the boy who never grew up. $27–$92. 8 p.m. Fri, 2 & 8 p.m. Sat,

2 & 7:30 p.m. Sun. Peabody Opera House, 1400 Market, peabodyoperahouse.com.

Through March 9: St. Louis Annual Builders Home & Garden Show

Learn about the latest home products and services from more than 500 companies. The show includes six areas dedicated to lawn and garden, pool and spa, kitchen and bath, interior design, green products, and building products. $10 adults, $4 kids ages 6–12. 10 a.m.–9 p.m. Fri and Sat, 10 a.m.–5 pm. Sun. America’s Center, 701 Convention Plaza, 314-994-7700, stlhomeshow.com.

Through March 9: Missouri Valley Conference Basketball Tournament

Cheer on your favorite Missouri Valley Conference teams in the annual Arch Madness basketball tournament. $29–$74 per session, $119–$203 for all-session tickets. Various times. Scottrade Center, 1401 Clark, 314-622-5435, scottradecenter.com.