“Holiday Happening Craft Fair & Santa VS Krampus Battle Op" includes live music, gift making, ceramic, wood and 3D-printed crafts, and holiday photos and absurd participation games with Santa and Krampus. Saturday, Dec. 14, 10am to 4pm, at TekVenture Maker Space, 1550 Griffin St., in the old River City area. Free admission. Cash preferred for craft purchases. Activity schedule at tekventure.org or 260 750-9013.