Kids and families can visit the Fort Gratiot Light Station this Friday to learn about how waves work. “Wacky Waves” will be presented from 1 p.m. to 2:30 p.m. Friday, December 28 at the Fort Gratiot Light Station Duplex Building on Omar St. This program will be a hand-on learning activity that will show the science behind waves and water. Tours of the station and the tower will be part of the program for families and kids. Cost is $6 each.