Summer Kick-off: Members Event! Thu, 5/25 @ 5:30pm-7:30pm event grownups, toddler, preschooler, bigkiddo, family Children's Museum of South Dakota Members Event No registration needed. Please drop in. A special event for Museum members as we welcome the change of seasons with an out door picnic! Food, friends, and FUN! Not a member? Join today by clicking here.