Families enjoy holiday singing, a morning reading of the Polar Express
, model trains, giveaways, photos with Santa in front of steam Locomotive No. 1673, and letters to the North Pole with help from Tucson Postal History Museum elves from 11:30 to 1:30 p.m., Saturday, Dec. 15, at the Southern Arizona Transportation Museum in the Historic Depot, 414. N. Toole Ave.; free. Visit tucsonhistoricdepot.org
for more information. The Polar Express
, the film, is screened at 2 and 8 p.m., Saturday, Dec. 15, at the Fox Tucson Theatre, 17 W. Congress St.; $5 and $7. Visit foxtucsontheatre.org
for reservations and more information.