Have some foamy fun experimenting and painting with shaving cream, enjoy a day of family fun at Kidz Expo, or explore Buffumville Dam on a ranger led tour.

Friday, March 29 

Backyard and Beyond: Forest Fridays. Discovery Museum, 177 Main St., Acton. 10-10:45 a.m. Enjoy a nature-based activity based on the weather of the season either in the Discovery Woods or out on the adjacent conservation land. Recommended for ages 2 to 6. Free with admission. Members free; nonmembers $14.50, ages under 1 free. discoveryacton.org.

Make a Mess: Foamy Fun. Discovery Museum, 177 Main St., Acton. 2-4:30 p.m. Drop-in to have some good clean fun experimenting with shaving cream and paint to create unique masterpieces. Free with admission. Members free; nonmembers $14.50, ages under 1 free. discoveryacton.org.

All Ages Owl Prowl. Fruitlands Museum, 102 Prospect Hill Rd., Harvard. 6:30-8:30 p.m. Join a local naturalist and educator on this family-friendly guided Owl Prowl through our grounds. Register ahead. Member adults $9, nonmember adults $15, children free. fruitlands.org.

Animaniacs in Concert. The City Winery, 80 Beverly St at One Canal, Boston. 8 p.m. Legendary voice actor Rob Paulsen, who has delighted generations of animation fanatics with his signature roles in “Pinky and the Brain" and “Teenage Mutant Ninja Turtles"  will be joined by “Animaniacs” composer Randy Rogel for live music and voice work while beloved “Animaniacs” cartoons are screened. Tickets start at $35. citywinery.com. 

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Saturday, March 30

Pop-Up Play Day. Berkshire Museum, 39 South St., Pittsfield. 10-12 p.m. A morning of child-directed play as we use the big, blue blocks of Imagination Playground to explore innovation and collaboration. Free with admission. Members free; nonmember adults $13, youths 4 and up $6, ages under 4 free. berkshiremuseum.org.

Kidz Expo. Best Western Royal Plaza Hotel, 18 Boston Post Rd. West, Marlborough. 10 a.m.-3 p.m. A fun-filled family day with performances, giveaways, face painting, photos with the Easter Bunny, barnyard animals, Touch a Truck, and more. Special appearances by Nickelodeon's Ella Anderson, Red Sox mascot Wally and 501st New England Garrison. Advance tickets $5; or $10 for adults, $5 for kids at door. Children under 3 are free. gatehouselive.com. 

Play Date: Going Far Together. Institute of Contemporary Art: Boston, 25 Harbor Shore Drive., Boston. 10 a.m.-4 p.m. Join community partners Boston City Singers, musician Alastair Mook, and social justice pathmakers Wee the People for a day of multimedia art, art-making, performances, and more. Free. icaboston.org.

Everyday Engineering: Balls and Ramps. Discovery Museum, 177 Main St., Acton. 11 a.m.-2 p.m. Design, build, and test out some simple tracks and mini-rollercoasters as we send marbles and golf balls on a thrilling ride. Free with admission. Members free; nonmembers $14.50, ages under 1 free. discoveryacton.org.

Healthy Kids Festival. Boston Children’s Museum, 308 Congress St., Boston. 11 a.m.-3 p.m. Visit the teddy bear clinic and learn what happens in the hospital, experience medical tools in non-threatening ways, learn about healthy habits, and more during this celebration of wellness. Free with admission. Members free; nonmembers $17, ages under one free. bostonchildrensmuseum.org.

Arms + Armor Demonstrations. Worcester Art Museum, 55 Salisbury St., Worcester. 11:30 a.m. & 2 p.m. A fun interactive program where you can learn about different kinds of arms and armor used by Roman soldiers, Medieval knights, and beyond. Free with admission. Members free; nonmember adults $16, youths 4-17 $6, ages under 3 free. worcesterart.org.

Ralph Breaks the Internet. Newton Free Library, 330 Homer St., Newton. 2 p.m. Watch the Wreck-It-Ralph team as they travel beyond arcade games and into the internet on a fantastically funny adventure. Free. newtonfreelibrary.net.

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Sunday, March 31 

Davey the Clown. Coolidge Corner Theatre, 290 Harvard St., Brookline. 10:30 a.m. Enjoy silly juggling, amazing music, incredible unicycle tricks, wacky antics, music, balloon sculptures, and more. Adults $13.50, children $10.50. coolidge.org.

Buffumville Dam Tour. Buffumville Lake Dam, Charlton. 1 p.m. Would you like to know why the lake is lower in winter months? Have you ever wondered what park rangers do in the winter? Do you like learning about weather and flood water storage protection? Join park ranger Jamie for this free tour. nae.usace.army.mil. 

All Newton Music School Concert. Newton Free Library, 330 Homer St., Newton. 2-3 p.m. An afternoon concert by faculty from the All Newton Music School. Free. newtonfreelibrary.net.