Weekend Guide for June 24, 2016: Clockwise from top left, AARL Field Day; St. John's Mexican Fiesta; Free State Festival's Family Fun Fest; an assortment of dog bows created by a 2015 Summer Fest vendor.

Naturally, the Free State Festival dominates this weekend’s social scene. We’ve included a few festival highlights (good things come in small packages, film buffs) that you might’ve missed, plus arts and crafts in South Park, a “field day” for amateur radio enthusiasts and more.

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Free State Festival’s Short Film Showcase I

3 to 5 p.m. Friday, Lawrence Arts Center main stage, 940 New Hampshire St.

The first installment of this year’s crop of Free State Fest short films kicks off Friday, with seven (free!) screenings on the roster.

Among the picks: Samantha Buck’s “The Mink Catcher,” about a gossip columnist searching for the truth hidden in a political wife’s “legendary” mink coat; “The House is Innocent,” Nicholas Coles’ darkly humorous documentary about a couple that purchases an infamous “murder house” despite some pretty serious warnings; and Georgian filmmaker Rati Tsiteladze’s “Mother,” about a single mother forced, by societal and cultural pressures, to hide her child’s existence.

You can catch more short films Saturday at the Arts Center from 12 to 2 p.m. Check out www.freestatefest.org for more information.

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St. John’s Mexican Fiesta

6 to 11:30 p.m. Friday and Saturday, St. John the Evangelist Catholic Church, 1234 Kentucky St.

The 36th annual celebration of Mexican culture (and food, glorious food) kicks off Friday evening with live music, dancing and authentic south-of-the-border treats, with an estimated 800 tostadas, 2,000 tamales and 3,000 burritos being churned out for the event by St. John volunteers.

Saturday promises more of the same, plus carnival games and a bounce house for the kids as well as the ever-popular fiesta enchiladas. Because of the labor involved, they’re a one-night-only deal.

Proceeds from the event benefit the St. John Catholic School’s Spanish language program, maintenance projects for the church and a scholarship program for local Mexican-American students.

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Summer Fest

10 a.m. to 5 p.m. Saturday, South Park, 1141 Massachusetts St.

Lawrence Parks and Recreation Department’s third annual Summer Fest returns to South Park this weekend, bringing with it more than 100 artists and craftspeople from the Lawrence area and beyond.

Goods for sale run the gamut from handmade wooden furniture, purses and paintings to pottery, photography and stained glass. Live music (featuring local bands Rural Harmony, Kim & the Quake, Elleven and BRC Sounds) kicks off around 1 p.m.

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Free State Festival’s Family Fun Fest

12 to 3 p.m. Saturday, Lawrence Arts Center, 940 New Hampshire St.

This free, kid-friendly event from the Free State Festival promises three hours of live performances, art activities and games, all situated on New Hampshire Street between Ninth and 10th streets.

Attractions include the Topeka Drum Line, gyotaku (that’s the traditional Japanese art of fish printing, for those not in the know), a musical petting zoo, food trucks, scavenger hunts, and prizes galore.

Wrapping up this year’s Free State Fest later that day: hip-hop pioneers Public Enemy, slated to perform a free concert from 6:30 (when gates officially open outside the Arts Center) to 11 p.m. Saturday.

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American Radio Relay League Field Day

1 to 10 p.m. Saturday, Wells Overlook Park, east of U.S. Highway 59 on the south side of North 1000 Road

Members of the community are invited to join in on the fun with the Douglas County Amateur Radio Club as the club’s enthusiasts embark on a mission to contact as many HAM operators (others of their kind) around the world as possible over a 24-hour period. The group will also have a radio on hand specifically for non-hams, as they’re called, to make supervised contacts.

The mission will shut down Saturday at park closing (10 p.m.) and resume the next morning when the park opens at 8.