Music by Joe Hisaishi from the animated masterpiece Spirited Away is the best-known piece on the program as three New England Conservatory Prep ensembles strut their stuff. The Cello Choir, Trombone Choir, and Massachusetts Youth Wind Ensemble Concert Band team up at Jordan Hall to show what they’ve been working on all year. 7:30 p.m. Free. necmusic.edu
What do Velcro and robots have in common? Like innumerable other inventions, the ideas originated in nature. Wild Designs at the Peabody Essex Museum showcases nature-inspired art and prototypes, such as insect traps (above), a robotic dog, and a design for growing homes in trees conceived by a group that got its start at MIT. Through August 2019. $20, under 17 free. pem.org
Sing along to a variety of folk performances, from bluegrass to traditional Irish sets, at the Campfire Festival at Club Passim in Cambridge. Musicians occasionally pull spectators into performances, which mimic casual campfire songs. More than 80 emerging artists are on the schedule. Friday 6 p.m.; Saturday to Monday, starting at noon each day. Single day $10, weekend pass $25. passim.org
Roar and Explore
Grab the dinosaur-obsessed kids — and adults — in your life and head to Destination Dino at Franklin Park Zoo. Animatronic models lining a wooded path include various species of the 65-million-year-old giants, from Tyrannosaurus rex to the birdlike citipati. Then sift through sand for fossils at the Dino Dig. Through September 3. $5 plus zoo admission ($19.95 adults, $13.95 kids). zoonewengland.org
A Tribute to Troops
To observe Memorial Day, the USS Constitution Museum in Charlestown recognizes service members by Honoring Our Heroes. The program lets visitors make thank-you cards and paracord “survival” bracelets for first responders and deployed troops. Plus, learn about the crew that operated “Old Ironsides” in the War of 1812. Suggested donation from $5 adults, from $3 children. ussconstitutionmuseum.orgShare your event news. Send information on Boston-area happenings at least three weeks in advance to email@example.com. Follow us on Twitter@BostonGlobeMag.