NoBo First Friday6-9 p.m. Friday, April 4, NoBo Art District, 4929 Broadway, Boulder. Ukrainian Egg Workshop10 a.m. to 1 p.m. Friday, April 4, Tumbleweed Art Collective, 1333 Coffman St., Longmont. Boulder and Longmont Farmers MarketsBoulder: 8 a.m. to 2 p.m. Saturday, April 5, 13th St. | Longmont: 8 a.m. to 1 p.m. Saturday, April 5, Boulder County Fairgrounds, 9595 Nelson Road. Downtown Boulder Mural Walking Tour10 a.m. to noon, Saturday, April 5, Creature Comforts Cafe, 1647 Pearl St., Unit 2, Boulder. Novruz Celebration1-4 p.m. Sunday, April 6, Dushanbe Teahouse, 1730 13th St., Boulder.