Saturday, May 27
Wool Days Weekend. Old Sturbridge Village, 1 Old Sturbridge Village Rd., Sturbridge. 9:30 a.m.-5 p.m. All Memorial Day Weekend, come down to discover how New Englanders reared sheep for their wool, learn about the natural dyes used during the 19th century, dye your own skein of yarn, meet alpacas and llamas, and watch as farmers perform sheep shearing and herding. Through Monday. Free with admission. Adults $28, youths ages 4 to 17 $14, children under age 3 free. osv.org.

Machinery Madness. Davis Farmland, 145 Redstone Hill Rd, Sterling. 9:30 a.m.-5 p.m. Dig with an excavator, climb on machinery and drive a tractor! The construction site operates Sat. Sun. & Mon 10-12 and 1-3. Through May 29. Adults and children ages 2+ $20.95, Seniors (60+) 17.95, children under 2 free. davisfarmland.com.

 Play Date: Rhythm and Hues. Institute of Contemporary Art: Boston, 25 Harbor Shore Dr., Boston. 10 a.m.-4 p.m. Come visit the ICA on a day when kids rule the museum, now featuring fun, creative, and even zany activities, from family pop-up talks, to yoga, to mixed-media artworks, and a concert and body percussion performance in our theatre featuring SR9 Trio from France. Free. icaboston.org.

Shinrin-Yoku Forest Breathing Guided Sanctuary Walks. Wachusett Meadow Wildlife Sanctuary, 113 Goodnow Rd., Princeton. 10:30 a.m.-11:30 a.m. Learn to connect with the natural world in healing, calming, grounding, and replenishing, through a series of gentle guided tours to promote relaxation. Register ahead. Member adults $3.50, children $2; nonmember adults $4.50, children $3. massaudubon.org.

 Arms and Armor: Live Demonstration of Medieval Combat. Worcester Art Museum, 55 Salisbury St., Worcester. 11:30 a.m.-12:30 p.m. Watch as the subtle skills of attack, parry, and grapple are brought to life by the Cambridge Historic European Martial Arts Study Group. Free with admission. Members free; nonmember adults $14, youths 4 and up $6, children under 4 free. worcesterart.org.

KidsJam. Boston Children’s Museum, 308 Congress St., Boston. 6:30 p.m.-8 p.m. Come enjoy as a live DJ presents music, instructors bring dance lessons, we present games, and you bring your enthusiasm for dance during this all ages dance party. Free with admission. Members free; nonmembers $16, children under 1 free. bostonchildrensmuseum.org.
Sunday, May 28
Be Well Series: Children’s Mental Health Awareness Day. Boston Children’s Museum, 308 Congress St., Boston. 11 a.m.-2 p.m. Come build positive coping skills through fun games and creative activities. Free with admission. Members free; nonmembers $16, children under age 1 free. bostonchildrensmuseum.org.

 Special Sundays in the Studio: Color Connections. The Eric Carle Museum of Picture Book Art, 125 West Bay Rd., Amherst. 1 p.m.-4 p.m. Enjoy this exploration of color variety and tone inspired by the museum’s special exhibition ‘What’s Your Favorite Color’. Free with admission. Adults $9, youths $6, children under 1 free. carlemuseum.org.
Monday, May 29
Morningstar Access. Boston Children’s Museum, 308 Congress St., Boston. 8 a.m.-10 a.m. Come enjoy an opportunity to visit the museum at a time when there are only a few other visitors, allowing children with special needs and their families a chance to explore our exhibits and spaces more comfortably. Register ahead. Free with admission. Members free; nonmembers $16, children under 1 free. bostonchildrensmuseum.org.

Memorial Day Open House. Museum of Fine Arts: Boston, 465 Huntington Ave., Boston. 10 a.m.-5 p.m. Mark Memorial Day with art-making activities, gallery tours, music, film, and performances, during this day of exploration, as we host the Youth Music Ambassadors group, Sociedad Latina’s, hold a concert at 3 p.m. by the Jewish Arts Collaborative, enjoy tours, and more. Free. mfa.org.