The Hamilton-Wenham Recreation Department, 16 Union St., Hamilton, is open from 8 a.m. to 4:30 p.m. Mondays, Wednesdays and Thursdays, 8 a.m. to 6:30 p.m. Tuesdays and 8 a.m. to 12:30 p.m. Fridays. For information and to register: 978-468-2178; hwrecreation.com.

Preschool Programs

Imagination Station: 10:15 a.m. to noon Fridays through Dec. 22. $5 per family. For ages 5 and younger with adult. An organized playgroup that gives children an opportunity to run around the gym, participate in a simple craft, enjoy puzzles, use Legos, read books, play dress up and have fun. Nonresidents are welcome.

Little Dragons Karate: 4:15-4:45 p.m. Thursdays, through Dec. 14. $180. For ages 3-4. One of the best karate programs in the country taught by four-time world champion Steve Nugent and his staff. This class teaches proper stance, breathing, stretching, discipline, confidence and practical self defense. All uniforms and belts are included in the class.

Micro Athletics: 9:30-10:30 a.m. Tuesdays through Dec. 12. $70; for ages 2-4. Knucklebones has designed a program to enhance gross motor skills, athletic fundamentals, physical exercise, creative movement and fun. Each class, the children will play a variety of skill enhancing games and activities. From learning to kick to practicing throwing, each child is active and having fun. Sneakers are required.

Super Soccer Stars: 9-9:40 a.m. for ages 1-2, 9:45-10:30 a.m. for ages 3-4 and 10:35-11:15 a.m. for ages 2-3, Thursdays through Dec. 14. $90. At Super Soccer Stars, the goal is to teach soccer skills in a fun, non-competitive, educational environment. The philosophy is to use soccer to nurture and develop self confidence and to develop teamwork in every class. The specially designed curriculum uses positive reinforcement and a low child to coach ratio to ensure that each child improves at his or her own rate while having fun.

Youth Programs

Museum of Science Presents: Night Sky: noon-12:45 p.m. or 1-1:45 p.m. Dec. 28. Free. This presentation helps audiences discover which stars, planets and other astronomical wonders are visible this evening. Using our portable planetarium, we take you on a tour of the solar system and beyond and provide useful tips on how you can navigate the night sky from your own backyard.

Girls STEAM Squad: 3:45-4:45 p.m. Tuesdays through Dec. 19. $115; for ages 7-12. Join the STEM to STEAM movement. Engineer and design awesome projects while learning science and math concepts. Construct a kinetic motion-based marble paiing, colorful kaleidoscopes and terrific tessellations. Experiment with air pressure as we dive deep with cartesian divers and make a mini nightlight to light up your space.

Adult Programs

NIA: 9-10 a.m. Mondays through Dec. 18. $56 or $8 drop-in fee. Stop exercising and start moving. Nia pulls from dance arts, martial arts and yoga to incorporate a range of movement styles. This fusion of movement forms gives you a full body workout and helps you move more consciously through life. Each student is encouraged to modify their movement, speed and range of motion so all fitness levels can guide their Nia practice to meet their needs.

Walking Pass: 9:30-11:30 a.m. Mondays, Wednesdays and Fridays at Gordon College Bennet Center. Enjoy the Bennett Center walking track for free. Come take advantage of this great opportunity for indoor walking space. Please register at the Recreation Department to receive your free pass.

Lap Swim: Gordon College Bennet Center Pool. Twenty-visit punch card is $65 for residents and $80 for nonresidents. Join us at Gordon College Bennett Center for open lap swimming. You must register with the Recreation Department to get your swimming pass. Check with the Bennett Center for exact days and times (978-867-3737). Locker rooms and shower facilities are available.

Let’s Move, a Dance and Movement Class: 11-11:45 a.m. Tuesdays through Dec. 19. $45 or $5 drop-in fee. A fun and engaging new dance class. Learn easy choreography to snappy tunes. This program is designed especially for people who want to keep moving gracefully through life. This safe, easy movement practice works to improve strength, balance and agility. Easy to learn moves with a variety of music. This class infuses the love of dance with some Tai Chi and gentle stretches.

Adult Pickleball: Similar to ping pong, badminton and tennis, it’s a fun, active game that can be mastered by anyone from youth to senior citizens. Pickleball was created during the summer of 1965 and is currently the fastest growing sport in the United States. It is played on a badminton court with the net lowered to 34 inches and uses a perforated plastic ball (similar to a whiffle ball) and wood or composite paddles.

Beginner Indoors: 12:30-2:30 p.m. Tuesdays, Thursdays and Fridays through Jan. 30. $5 drop-in fee.

Advanced Indoors: 10 a.m. to noon Mondays and Wednesdays and 5:30-7:30 p.m. Saturdays through Jan. 31. $5 drop-in fee.