Lowell National Historical Park
The park's April PLAYcation runs Saturday through Friday, with more than a dozen partner organizations hosting events for Lowell Kids Week. The complete schedule of events is available at www.lowellkidsweek.org. All programs are free, but many require pre-registration, so plan ahead.
Here are some of the fun -- and free -- things to do.
n Spring Fling: Coalition for a Better Acre hosts this chance to celebrate spring, learn about planting, and great creative with spring arts and crafts.
n Weaving and Engineering Workshops: Tsongas Industrial History Center hosts this weaving or engineering challenge.
n Peas on Earth: With Mill City Grows, kids can make a "germination necklace" or decorate a cup with a pea plant they can take home; at Mill No. 5, Jackson Street.
n Fun With Fish at the Spalding House: Lowell Parks and Conservation Trust hosts a chance to explore the historic Spalding House and learn about fish migration through hands-on activities.
n Paint Your Town Art Program: NFI Family Resource Center allows kids to get crafty and try sponge painting, watercolors, marble painting, and more.
n National Junior Ranger Day and Fee Free Day at the Boott Cotton Mills Museum: Lowell National Historical Park is giving free tours of the Boott Cotton Mills Museum -- and kids can become a Junior Rangers.
Lunenburg Public Library
A Kite Demonstration and Kite Making Workshop will be held from Tuesday, April 16, from 2 to 4 p.m., at Lunenburg Public Library, 1023 Massachusetts Ave.
Archie Stewart will take kids on a world tour beginning in China 2000 B.C., and travels around the world visiting other countries, exploring how kites are and have been used in those cultures. They end the tour in the United States in the 21st century, discussing how kites played a part in the space program.
All participants will build and fly their own creation, both indoor or outdoor flight. Kite-making kits available for each participant at a cost of $5 each. The program is for children and adults ages 8 and over. For information, or to register, please call 978-582-4140.
Fitchburg Public Library
Learn about the wonderful world of butterflies on Wednesday, from 1:30 to 2:30 p.m., in the Fitchburg Youth Library's Garden Room, 610 Main St.
Learn the difference between a moth and a butterfly, what to plant in your backyard to attract butterflies, and where the monarchs go every fall and winter. Learn about the unique characteristics of butterflies (did you know that they taste with their feet?) and interesting wing features that help protect butterflies and moths from predators. Stay for a fun T-shirt craft after the presentation.
Appropriate for children ages 7 and up. To register, call 978-829-1780 or visit www.FitchburgPublicLibrary.org.
Pollard Memorial Library
Lowell's historic public library, celebrating its 175th anniversary, announced its schedule for vacation week.
It includes a Lego Mindstorms Robotics and 3D Printing Camp, conducted by MC3D Robotics, on Tuesday and Wednesday, 9 a.m.-4 p.m. It's for ages 9-11; registration is required online or in person.
And on Friday, the hit movie "Spider-Man: Into the Spider-Verse," which won the Oscar for Best Animated Feature, will be shown Friday, starting at 2 p.m.; it's rated PG.
Discovery Museum, Acton
Design, build and explore Tinytropolis -- a changing, evolving mini-city built out of cardboard -- Monday-Saturday, 11 a.m.-3 p.m., and watch hour the city evolves. Free with admission; visit www.discoveryacton.org.
Middlesex Community College
MCC is offering kids and teens, ages 10-15, a variety of fun art and computer courses Tuesday through Friday on the Bedford campus. To enroll or learn more, visit www.middlesex.mass.edu/careertraining, or call 800-818-3434.
n Scratch Programming: Use Scratch programming language to build a variety of games. Learning will include art, design, planning and programming. In addition, the usage of Scratch will be extended to Raspberry Pi and Arduino, enabling participants to control devices like sensors, motors, LEDs and fans; 9 hours, $200.
n Everything But the Kitchen Sink: Make "everything but the kitchen sink" art projects. You will be exposed to different art media, watercolor and acrylic painting, and a variety of techniques to perfect your artistic talents; 21 hours, $185.
n Automation & IOT w/Raspberry: Learn how to use the data you gather, then present it using professional visualization tools and software. Concepts of electronics, basics of Python programming, home automation, and IOT concepts will be introduced; ages 13-15; 9 hours, $225.
Worcester Art Museum
At Heroes & Villlains on Saturday, 10 a.m.- 4 p.m., meet a wide variety of good guys and bad, from throughout history, cultures and galaxies. The fun continues with April Art Week, Tuesday-Friday, full-day and half-day vacation workshops, inspired by the Pacific arts, for ages 3-17. Visit www.worcesterart.org.
Fitchburg Art Museum
Two-hour art-making workshops will be held Tuesday and Wednesday for ages 5-12. Cost is $18 for members, $22 for non-members. Visit www.familyid.com/fitchburgartmuseum.org or call 978-345-4207.
Museum of Fine Arts, Boston
An array of activities is planned, including family art walks, story hours, performances and art-making activities, Tuesday-Friday, 10 a.m.-4 p.m., and on Wednesday, it goes to, 8 p.m. Free with admission; visit www.mfa.org.