Ben Affleck & Jennifer Garner: Family Park Day!

Jennifer Garner and Ben Affleck enjoy a family day out with their kids at a park on Sunday (March 17) in Brentwood, Calif.

The 40-year-old actors and their kids, Violet, 7, Seraphina, 4, and Samuel, 1, played on park equipment together while interacting with fellow park-goers!

PHOTOS: Check out the latest pics of Jennifer Garner

Earlier in the day, Jen, Seraphina, and Samuel went shopping together while noshing on some yummy snacks!

30+ pictures inside of Jennifer Garner and Ben Affleck spending Sunday with Violet, Seraphina, and Samuel in Brentwood…