LEGO ROBOTIC CAMP: A Lego Robotic Camp with Central State Extension will be 2 to 3 p.m. Thursday at the Warren-Trumbull County Main Library, 444 Mahoning Ave. NW, Warren. The free event for children ages 9 to 12 allows them to explore the basics of Lego robotics and coding. SUNFLOWER FESTIVAL: The annual Sunflower Festival will be 10 a.m. to 6 p.m. Saturday and Sunday at Hartford Orchards, 6953 state Route 305. The event will allow families to walk through sunflower orchards and experience sunflower blooms at the orchard. FOOD TRUCK NIGHT: Bristol Food Truck Night is 5 to 8 p.m. Friday at the corner of state Routes 45 and 88.