Challenge your brain with not-your-ordinary kinds of jigsaw puzzles and games. Pack a lunch and dress for a mess. 9am-3:30pm at Annmarie Garden, Solomons. $40; rsvp:
Join in a Passover dinner and ceremony for all faiths. Bring a suitable dish to share. 5-9pm at Unitarian Universalist Church, 333 DuBois Rd., Annapolis. $10 w/age discounts; rsvp: 410-266-8044; www.uuca-md.org.
Ages 10 and over learn butterfly basics including grouping and identification, then put their skills to the test. 1:30-3:30pm at Smithsonian Environmental Research Center, Edgewater: 443-482-2200; www.serc.si.edu.
Search for eggs, meet mini ponies, get your face painted and take home balloons at Bay Ridge Christian Church’s Spring Egg Hunt. 10:30am-12:30pm at the Church, 1071 Bay Ridge Rd., Annapolis: 410-263-2992; www.bayridgechristianchurch.org.