Mothers of Preschoolers of Marion will have a come-and-go kickoff party at Eastmoor United Methodist Church 6:30 to 8:30 p.m. Sept. 24. MOPS is a group for mothers who have children from birth to age 5. Participants will receive a year’s free membership, and either a free package of diapers, sippy cup, wipes, or pull-ups.