Mother’s Day fun, seasonal activities and more await families in the Hudson Valley this weekend. Little lambs can watch a sheep shearing; families can marvel at a Mother’s Day magic show; and astronauts-in-training can explore the galaxy in a planetarium program. Find the details here.

Sunday: Sheep shearing in Katonah

Wool is so last season, and no fashionable sheep wants to be seen wearing it after Mother’s Day. Bring your little lambs to watch Muscoot Farm’s resident sheep update their looks for spring with a stylish new do as they get their annual haircut by professional sheep shearer Don Kading.

When: noon-3 p.m., Sunday, May 12

Info: Muscoot Farm, 51 Rte. 100, Katonah; 914-864-7286; www.muscootfarm.org; free

Sunday: Magic show in Yonkers

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Mystify Mom for Mother’s Day with this special encore performance of “Gilded Age Magic by Benjamin Levy.” Gather in Glenview’s 19th-century library to see Levy perform cool illusions such as sleight-of-hand magic and mind-reading. For an extra treat, Lola’s Tea House will be on hand selling red velvet cupcakes and tea. The show is recommended for everyone ages 9 and up. Advance ticket purchase is recommended.

When: 1 p.m. and 3 p.m., Sunday, May 12

Info: Hudson River Museum, 511 Warburton Ave., Yonkers; 914-963-4550; www.hrm.org; $20, $10 for members (includes museum admission)

Sunday: Planetarium show in Airmont

Discover the wonders of the universe as you tour the stars, planets and galaxies in the planetarium; then learn about one simple invention that helped to shape our entire understanding of the universe during the full-dome movie, “Two Small Pieces of Glass.” After the show, participants are invited to explore some more with hands-on fun in the activities room. Reservations are recommended.

@Newsday

When: 2 p.m. Sunday, May 12

Info: Challenger Learning Center, 225 Rte. 59, Airmont; 845-357-3416; www.lhvcc.com; $10, $5 for seniors, $5 for kids 8 and under accompanied by a paying adult