Wareham Crossing will host “Oh Baby Fitness Stroller Workout,” a free outdoor fitness event for mothers and their children each Saturday in August.

“Oh Baby” is a full-body workout class, modified for women with small children in strollers. The first class, scheduled for Aug. 9, is full, but those interested will have a chance to sign up for the Aug. 12 class.

Classes will be held at Wareham Crossing, 2421 Cranberry Highway. Meet outside The Paper Store. Registration for the event is mandatory. Sign up online at www.ohbabyfitness.com.