4 family-friendly things to do in Gwinnett this weekend

Classic cars in Norcross: Classic cars will take over downtown Norcross from 8 a.m. to 4 p.m. Saturday.

According to the city: "Vintage Fords, mint-condition motorcycles and other classic cars to flood the streets of downtown and thousands of people from all over the metro area to drool over a display of 300-plus vehicles. Every inch of Historic Downtown Norcross will be covered with one-of-a-kind cars from practically every era since the invention of the car."

All that plus food, raffles, a silent acution and live music.

A free movie in Lawrenceville: Lawrenceville's Movies on the Lawn series is back -- "Back to the Future," that is.

The '80s classic will be aired on the Lawrenceville Lawn (210 Luckie St.) at dusk Friday (roughly 8 p.m.). Attendance is free, and moviegoers are encouraged to wear '80s attire.

Feel free to bring lawn chairs and a picnic dinner, but food trucks will also be on hand. No pets.

Free museum admission: In celebration of "Art Week" in Duluth, the Hudgens Center for the Arts is offering free admission from 10 a.m. to 5 p.m. every day through Saturday.

The museum is located at 6400 Sugarloaf Parkway, right next to the Infinite Energy Center.

Suwanee farmers market: Suwanee's farmers market is back in full swing and open from 8 a.m. to noon every Saturday through Oct. 1.

According to city events manager Amy Doherty: "Our market is almost as much a social event as it is an opportunity to access locally grown produce and a variety of other items, such as salsa, honey, eggs and meat, seafood, and baked goods."

Festivities take place at Town Center Park, right at the intersection of Lawrenceville-Suwanee Road and Buford Highway.