SENSE OF WONDER WALK FOR FAMILIES. Food Webs in the Stream, Sunday, Nov. 10, 1 to 2:30 p.m., Ipswich River Wildlife Sanctuary, 87 Perkins Row, Topsfield. Running water is important to many plants and animals. Join lead field teacher Rita Gallant to explore a stream from top to bottom and side to side, turning over rocks and netting water creatures. Find out where the water comes from and where it is going. Meet in the Nature Center. Dress for weather and wear boots. For families with children ages 3 to 10. Members: $7 adult, $6 child; nonmembers: $9 adult, $7 child. Registration required at www.massaudubon.org or 978-887-9264.
Fairs, festivals & sales
HOLIDAY CRAFT FAIR. Thursday, Nov. 7, noon to 6 p.m., Beverly Senior Center, 90 Colon St.. Handmade crafts, woodworking, photography, jewelry, cards, and more. Refreshments served. 978-921-6017.
WINTER MARKET. The Salem Winter Market kicks off in Old Town Hall, 32 Derby Square, Salem, on Thursday, Nov. 7, from 3 to 6 p.m., and will run on Thursdays from 3 to 6 p.m. for six weeks through Dec. 19. There will be no market the week of Thanksgiving. Old Town Hall is adjacent to Derby Square. The Winter Market will include produce from local farms, pasture-fed meat, spices, pickles, soup, baked goods, artisan soap, jewelry, wreaths, and more. All items are grown or produced in New England. http://salemmainstreets.org/salem-winter-market/.
ARTISAN TRUNK SHOW. Thursday, Nov. 7, 6 to 9 p.m., Marblehead Arts Association, 8 Hooper St., Marblehead. MAA’s Artisan Trunk Show features one-of-a-kind items created by five local artisans. All are welcome to attend. 781-631-2608, DeborahG@marbleheadarts.org.
CHURCH BAZAAR. Friday, Nov. 8, 5 to 9 p.m., and Saturday, Nov. 9, 9 a.m. to 3 p.m., St. John the Baptist Parish, school gym, 17 Chestnut St., Peabody. Annual Parish Bazaar features craft tables, raffles, Grandma’s Attic, photos with Santa, baked goods, children’s games, ice cream sundaes, baseball cards, costume jewelry table, wheel of fortune, popcorn, fried dough and American and Dominican food. All are welcome. 978-531-0002, stjohnspeabody.com.