Ventfort Hall Mansion and Gilded Age Museum will offer its annual Slavic Easter egg decorating demonstrations and instructional workshops Saturday, April 12 from 10 a.m. to noon and again from 1 to 3 p.m. at 104 Walker St. in Lenox. Learn to color eggs (provided by a local poultry farm) using wax and layers of dye. For reservations, call (413) 637-3206.