■ Walk Among the Stars: 3, 2, 1 ... Blast Off ! 5:30-8 p.m. Oct.
25. Free. Rock Springs Park, 550 Rock Springs Road, Lawrenceville. Journey through space and time while dressed in your best space costume. Celebrate National Lights on Afterschool with STEAM activities, inflatables, crafts, community partners and food vendors during this family night out. 770-822-3197, GwinnettCountyEvents.com