Several peace, social justice and environmental organizations will gather Saturday at the 31st Annual Tucson Peace Fair and Music Festival.

The fair, hosted by the Tucson Peace Center, features live music, activities for kids, food and a raffle.

The free event will take place from 11 a.m. to 5 p.m. at Reid Park's DeMeester Outdoor Performance Center, near South Country Club Road and East 22nd Street.