Build a kite or bring your own to the Fruitlands Kite Festival, giggle at a Family Comedy Show, or don wings and flower crowns and play in the woods at Fairy Festival.

Friday, April 19 

Officer Leo Storytime Meet & Greet. Leominster Public Library, 30 West St., Leominster. 10-10:30 a.m. Meet one f our amazing local police officers during this special story-time. Recommended for ages 3 to 6. Register ahead. Free. leominsterlibrary.org.

Tinytropolis. The Discovery Museum, 177 Main St., Acton. 11a.m.-3 p.m. Come visit the mini city with a big future put together by staff and visitors over six days. Free with admission. Members free, nonmembers $14.50, ages under 1 free. discoveryacton.org.

Earthapalooza. David Friend Recital Hall, 921 Boylston St., Boston. 1 p.m. Berklee’s fifth annual Earth Day celebration features a mix of faculty speaker and student bands performing original music, including songs with environmental themes. Free. berklee.edu/events.

Fruitlands Fairy Festival. Fruitlands Museum, 102 Prospect Hill Rd., Harvard. 1-4 p.m. Don your wings, grab your crowns, and come play in the Fruitlands woods or make a fun fairy wand to take home. Register ahead. Members $5; nonmember adults $10, children free. fruitlands.org.

Family Fun. Newton Free Library, 330 Homer St., Newton. 3:00 p.m.-4:30 p.m. Drop-in for games and activities, as you make new friends and meet your neighbors. Free. newtonfreelibrary.net.

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Saturday, April 20 

Family Farm Festival. Old Sturbridge Village, 1 Old Sturbridge Village Rd., Sturbridge. 9:30 a.m.-4 p.m. Meet the Village’s newborn chicks, lambs, and cattle, enjoy a wagon ride, learn about gardening, and more to celebrate Spring. Free with admission. Adults $28, youths $14, ages under 4 free. osv.org.

Sarah Gardner: Kids Music Series. Jasper Hill Restaurant, 270 Exchange St., Millis. 10 a.m.-12 p.m. A ‘jazzed up’ Saturday morning with Norwood’s favorite music teacher and jazz singer for kids, during this special brunch. Recommended for ages 2 to 8. Adults $8, children $6. jasperhillmillis.com.

MFA Playdates: Loud and Quiet Sounds. Museum of Fine Arts: Boston, 465 Huntington Ave., Boston. 10:15-11 a.m. Bring your toddler to enjoy story time and looking activities in the galleries,followed by artmaking. Recommended for ages 4 and younger. Free with admission. Members free; nonmember adults $25, youths 7 and up $10, ages under 7 free. mfa.org.

Tinytropolis. The Discovery Museum, 177 Main St., Acton. 11 a.m.-3 p.m. Come visit the mini city with a big future put together by staff and visitors over six days. Free with admission. Members free, nonmembers $14.50, ages under 1 free. discoveryacton.org.

Earth Day Kite Festival. Fruitlands Museum, 102 Prospect Hill Rd., Harvard. 1-4 p.m. Make your own simple kite or bring your own from home, and see the sky filled with colorful floats. Free. fruitlands.org.

Mary Poppins Returns. Newton Free Library, 330 Homer St., Newton. 2-4 p.m. The magical nanny Mary Poppins returns with new songs, dances, and adventures for the Banks children. Free. newtonfreelibrary.net.

Happier Family Comedy Show. The Eric Carle Museum of Picture Book Art, 125 West Bay Rd., Amherst. 3-4 p.m. Creativity flourishing during this created-on-the-spot family friendly improvisational show. Recommended for ages 5 to 12. Member adults $9, youths $4.50; nonmember adults $10, youths $5. carlemuseum.org.

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Sunday, April 21 

Mission Hill Easter Egg Hunt. McLaughlin Playground, 239 Parker Hill Ave., Boston. 9:30-11:30 a.m. Neighborhood Easter egg hunt with a bounce house, petting zoo, and face painting. Free. kingshillboston.com.

Family Farm Festival. Old Sturbridge Village, 1 Old Sturbridge Village Rd., Sturbridge. 9:30 a.m.-4 p.m. Meet the Village’s newborn chicks, lambs, and cattle, enjoy a wagon ride, learn about gardening, and more to celebrate Spring. Free with admission. Adults $28, youths $14, ages under 4 free. osv.org.

Special Sunday in the Studio. The Eric Carle Museum of Picture Book Art, 125 West Bay Rd., Amherst. 12-5 p.m. A day of special artmaking in our in-house studio. Free with admission. Adults $9, youths $6, ages under 1 free. carlemuseum.org.

Sunday Volunteer Day. Wachusett Meadow Wildlife Sanctuary, 113 Goodnow Rd., Princeton. 1-4 p.m. Learn about nature as you assist with a variety of property, ecological, and wildlife monitoring work for all ages and ability levels. Free. massaudubon.org.