Saturday, May 20 Home Sweet Home at Fruitlands Museum. Fruitlands Museum, 102 Prospect Hill Rd., Harvard. 10 a.m.-4 p.m. Join us for a literary adventure as historic games at the Fruitlands farmhouse, contemporary artwork showcased in our museum, and special guided tours. Free. fruitlands.org.
Spring Vendor Fair for Families With Young Children. The Children's Workshop, 6 Bellows Rd., Westborough. 10 a.m.-2 p.m. Free. childrensworkshop.com
MFA Playdates: Natural Spring. Museum of Fine Arts: Boston, 465 Huntington Ave., Boston. 10:15 a.m.-11 a.m. Come bring your toddler to enjoy story time and looking activities in the galleries, followed by art making, as we enjoy the spring season, and how such richness of nature is found in the museum's artwork. Recommended for ages 4 and up. Free with admission. Members free; nonmember adults $25, children free. mfa.org.
Drop-In Craft Time. Morse Institute Library, 14 East Central St., Natick. 10:30 a.m.-12:30 a.m. Join us for this fun craft time as we craft with recyclable materials and our imaginations. For ages 3 to 10. Free. morseinstitute.org.
Biodiversity Scavenger Hunt. South Shore Natural Science Center, 48 Jacobs Ln., Norwell. 11 a.m. Get ready to explore our trails by searching our local plants and animals, and challenge yourself to find as many as you can. Free with admission. Members free; nonmembers $5, children under age 2 free. southshorenaturalsciencecenter.org.
Zoo New England Presents Endangered Species of Russia. Museum of Russian Icons, 203 Union St., Clinton. 1 p.m. Come to this special presentation by Zoo New England, as we explore the endangered species from tigers and cranes to snow leopards and whales, native to Russia. Free with admission. Members free; nonmember adults $10, children ages 3 to 17 $5, children under 3 free. museumofrussianicons.org.
Critter Days. Boston Children's Museum, 308 Congress St., Boston. 2 p.m.-4 p.m. Come meet and investigate critters, during this up-close and personal presentation. Free with admission. Members free; nonmembers $16, children under 1 free. bostonchildrensmuseum.org.
Especially for Me: Evenings for Families with Deaf, Hard of Hearing, or KODA Children. The Discovery Museums, 177 Main St., Acton. 5 p.m.-8:30 p.m. Explore, wonder, experiment, and imagine throughout the Museums' campus during this special free event when we are closed to the general public, host ASL Interpreters, provide dinner, and have a fun jam session from 5:30 until 6:30. Register ahead. Free. discoverymuseums.org. Sunday, May 21 Friends of the Library Book and Bake Sale. Morse Institute Library, 14 East Central St., Natick. Come to the Morse Institute Library to enjoy thousands of books on sale, as well as movies, puzzles, games, and baked goods provided by our terrific group of library volunteers. Free. morseinstitute.org.
Shadow Boxes: Parent and Child Workshop. The Willard House and Clock Museum, 11 Willard St., Grafton. 1 p.m.-3 p.m. Come by and create wonderful shadowboxes perfect to capture children's imagination, during this hands-on art workshop and kid-friendly tour. Free with admission. Adults $10, children ages 6 to 12 $6, children under 6 free. willardhouse.org.
Myth and Magic. Annie's Book Stop, 65 James St., Worcester. Join us 11 a.m.-2 p.m. Enjoy drop-in crafts and stories of dragons, princesses, and magic! We'll be making jeweled wands, paper plate masks, egg carton dragons and more for children to take home. Free.
Everyday Engineering: Cup Towers. The Discovery Museums, 177 Main St., Acton. 11 a.m.-2 p.m. Engage in some everyday engineering as you construct and create with repurposed and recycled materials, during this challenge to build a one-of-a-kind tower made entirely out of cups. Free with admission. Members free, nonmembers $12.50, children under1 free. discoverymuseums.org.
Sun Prints--Walden: Four Views. Concord Museum, 200 Lexington Rd., Concord. 1 p.m.-2 p.m. Come bring the whole family to 'Walden: Four Views' to see the phenomenal photographs of by Abelardo Morell, before joining us in making your own sun prints out on the museum lawn. Free with admission. Members free; nonmember adults $10, children $5, children ages 5 and under free. concordmuseum.org.
Alex the Jester. Leominster Public Library, 30 West St., Leominster. 1:30 p.m. & 3:45 p.m. Alex the Jester, with his immense warmth, charm and zany shenanigans, will enthrall you with daring stunts, physical feats, and a cornucopia of delightful surprises during his show! leominsterlibrary.org.
10th Annual Celebration of the Dr. Martin T. Feldman Children's Room. Leominster Public Library. 30 West St., Leominster. 1:30 p.m.-4 p.m. Crafts, roaming railroad, touch-a-truck, balloon art, Animal Adventures, and more. leominsterlibrary.org.
Special Storytime: David Hyde Costello. The Eric Carle Museum of Picture Book Art, 125 West Bay Rd., Amherst. 2 p.m. Join author and illustrator David Hyde Costello for a sweetly told intergeneration story about how even the littlest can make a big difference, following a little pig and his family. Free with admission. Adults $9, youths $6, children under 1 free. carlemuseum.org.
The Magic of Bonaparté Leominster Public Library. 30 West St., Leominster. 2:30 p.m. His Award-winning magic concert features hilarious comedy, oodles of audience participation, and the dramatic appearance of his adorable furry and feathered friends. leominsterlibrary.org.