FAMILY DAY

Celebrate Mother's Day weekend with activities for the entire family. Listen to stories by museum interpreter Carolyn Ruff, author of "Keystones of the Stone Arch Bridge." Guests can even build a Roman arch similar to those on the Minneapolis bridge. Other activities include flour dust explosion demonstrations, stone carving and Swedish baking. (11 a.m.-3 p.m. Sat. $6-$11. Mill City Museum, 704 S. 2nd St., Mpls. 612-341-7555. www.mnhs.org.)

SPRING SPREAD

Sixteen food trucks will congregate at Harriet Brewing with their gourmet food specialties. Munch on foods from Jake's Street Grill, the Sassy Spoon, Simply Steve's, Tiki Tim's and others. Also enjoy live music and Harriet Brewing's craft beers. (Noon-7 p.m. Sat. Free. 3036 Minnehaha Av. S., Mpls. 612-225-2184. www.harrietbrewing.com.) MELISSA WALKER