Key West Art & Historical Society and the Oldest House Museum welcome children and adults for a morning of bubble play on the lawn of the Oldest House from 10 to 11:30 a.m. on Saturday, May 20. Free for KWAHS and Old Island Restoration Foundation members and $5 for non-members. Families are encouraged to bring snacks and blankets. For information, call Adele Williams, 305-295-6616, Ext. 115. The Oldest House is located at 322 Duval St.