Friday, June 22
Exploring Nano: Rays Awareness. Discovery Museum, 177 Main St., Acton. 11 a.m.-2 p.m. Drop-in and learn about ultraviolet light and do some simple experiments to see how sunscreen protects you by blocking harmful rays, and make your own UV detector bracelet. Free with admission. Members free; nonmembers $14.50, ages under 1 free. discoveryacton.org.
Summer Friday Nights Free. Discovery Museum, 177 Main St., Acton. 4:30-8:00 p.m. Free admission to explore the museum and Discovery Woods. Food donations for Open Table of Concord and Maynard, and the Acton Food Pantry accepted. Fridays. Free. discoveryacton.org.
Carla Restivo: Paula Project. Berk Recital Hall, 1140 Boylston St., Boston. 7 p.m. Enjoy this Sicilian-inspired performance, playing original compositions in a mix of musical genres, including contemporary jazz, hip-hop, and Latin. Free. berklee.edu/events.
Saturday, June 23
Bobbie’s Meadow: A Celebration and Dedication. Eric Carle Museum of Picture Book Art, 125 West Bay Rd., Amherst. 10 a.m.-2:30 p.m. Join us as we celebrate the opening of Bobbie’s Meadow, named in memory of Eric Carle’s wife, through animals, dance, and other activities throughout the day. Free with admission. Adults $9, youths $6. Carlemuseum.org.
Park Fest. deCordova Sculpture Park & Museum, 51 Sandy Pond Rd., Lincoln. 11 a.m.-5 p.m. Join us for this annual event featuring a 5K trail run, artmaking activities, artisans and vendors, live music and dance performances, a discovery quest, and more. Member adults $10, youths $5; nonmember adults $20, youths $10, ages under 6 free. deCordova.org.
Peter Rabbit. Newton Free Library, 330 Homer St., Newton. 2 p.m. Join us as Peter Rabbit and his three sisters – Flopsy, Mopsy, and Cotton Tail – go on an adventure through Mr. McGregor’s vegetable garden in this new animated film. Free. newtonfreelibrary.net.
Milton Music Festival. Governor Hutchinson’s Field, 196-212 Adams St., Milton. 3-10 p.m. Join We Are Milton and the Trustees for our annual celebration with music, activities, vendors, and more. Free. thetrustees.org.
Summer Picnic Concert. Stevens-Coolidge Place, 92-128 Andover St., North Andover. 4-7 p.m. Bring lawn chairs or a picnic blanket and settle in for a wonderful evening with family and friends, from food trucks, lawn games, music, and more. Register ahead. Member adults $12, nonmember adults $20, children free. thetrustees.org.
Ice Cream Festival. Francis William Bird Park, 41 Rhoades Ave., East Walpole. 4-7 p.m. Enjoy live music, games by Kids in Sports, a dunk tank, face painting, pizza, and, of course, delicious ice cream with toppings. Register. Free. thetrustees.org.
Massachusetts Pirates vs. Lehigh Valley Steelhawks. DCU Center, 50 Foster St., Worcester. 7 p.m. Watch Massachusetts’ premier National Arena League football team take on Pennsylvania’s Lehigh Valley Steelhawks during the Pirates inaugural season. $10 and up. dcucenter.com.
The Ultimate Robin Williams Tribute Experience. Regent Theatre, 7 Medford St., Arlington. 8 p.m. Join Roger Kabler who skillfully presents a show with the comedic stylings of one of the greatest comedians of all time, Robin Williams. $33. regenttheatre.com.
Sunday, June 24
Outrageous Fortune Concert. Newton Free Library, 330 Homer St., Newton. 2-3 p.m. Enjoy this afternoon performance of the Outrageous Fortune Jug Band. Free. newtonfreelibrary.net.
Milton Music Fest: Celtic Sunday. Governor Hutchinson’s Field, 196-212 Adams St., Milton. 3-10 p.m. Join us for our annual celebration of traditional and contemporary Irish music, and enjoy the view of the Boston skyline and dance the day and night away. Free. thetrustees.org.