FLY TYING. The Orvis Co. will hold free classes on Saturdays, Feb. 2 through Feb. 23, from 11 a.m. to 1 p.m., at Orvis, Northshore Mall, 210 Andover St., Peabody. Includes an introduction to the tools, materials and techniques of fly tying, plus two flies and in-store shopping offers. Space is limited. 978-531-0185.
3-D PRINTING PROGRAM. Saturday, Feb. 2, 1 p.m., Boxford Town Library, 10 Elm St. Children ages 8 to 12 are invited to make electronics with new 3-D printers. Attendees can also make an “Angry Bird” figure using the printer. Snow date Feb. 9. Sponsored by Friends of the Boxford Town Library. Free. Program limited to eight children. Registration required at www.boxfordlibrary.org.
WINTER WEEKENDS. Saturday, Feb. 2, 3 p.m., Phillips House, 34 Chestnut St., Salem. Follow the Phillips family on a wintry jaunt around New England. Enjoy hot cocoa and cookies while viewing film clips of the family sledding, skiing, ice skating and snowshoeing. Following film, house tour shows how family lived at 34 Chestnut St. through winter months. Then, sneak peek of Phillips family items, postcards and photographs, not usually on display. Register at 978-744-0440. Tickets $10, free to Historic New England members.
Children and families
TAKE YOUR CHILD TO THE LIBRARY DAY. Saturday, Feb. 2, 11 a.m. to 2 p.m., Swampscott Public Library, 61 Burrill St. Featuring a craft program from 11 a.m. to 1:30 p.m. and refreshments. Families can stop by any time during the day. Free. www.noblenet.org/swampscott.
DADS & DONUTS. Saturday, Feb. 2, 11 a.m. to noon, Hamilton-Wenham Public Library, 14 Union St., Hamilton. Story time designed especially for dads and children ages 2 and up; moms are invited, too. Snacks follow 30 minutes of stories based around a theme of bears. Free. www.hwlibrary.org.
GROUNDHOG DAY EXTRAVAGANZA. Saturday, Feb. 2, 1 to 4 p.m., Ipswich River Wildlife Sanctuary, 87 Perkins Row, Topsfield. Families with children are invited for ongoing activities, including nature hikes, snow sculptures, a groundhog obstacle course, crafts, refreshments and more. Groundhog celebration and puppet show are set for 2 p.m. in the barn. Dress for weather. $9/adults, $7/children, discounts available for Mass Audubon members. Advance registration required at 978-887-9264.