Free! Math Gym , a workout for your brain (grades 1–12) (online )

Folding Fridays , MoMath’s weekly origami series (online )

Fri, Sep 11 · 4:30 PM

National Museum of Mathematics · Chelsea

Krazy Kahoot , MoMath’s family quiz show; hosted by Steve Sherman (online )

Sat, Sep 19 · 3:00 PM

National Museum of Mathematics · Chelsea

Symmetry and the City : A Walk with Chaim Goodman-Strauss (in person )

Sun, Sep 20 · 10:00 AM

National Museum of Mathematics · Chelsea

A walk with mathematician Chaim Goodman-Strauss explores symmetry in the urban landscape, beginning at the National Museum of Mathematics. The in-person event examines patterns and geometric structures found throughout the city.

Free! Monthly Mindbenders with Peter Winkler (online ) ◷

Sat, Sep 26 · 11:00 AM

National Museum of Mathematics · Chelsea

Monthly Mindbenders with Peter Winkler presents a free online puzzle session hosted by the National Museum of Mathematics. Each month features a new set of brainteasers to explore.

Baby Ballet A/B

Fri, Sep 11 · 2:30 PM

Tutu School Chelsea · Chelsea

Baby Ballet A/B at Tutu School Chelsea: a weekly 45-minute ballet class for ages ages 6 – 18 mos.. Rolling monthly membership ($175/month, registration ongoing) with unlimited make-up classes.

Coloring Corner

Fri, Sep 11 · 3:00 PM

NYPL Muhlenberg Library · Chelsea

Unleash your creativity! Paper, crayons, and coloring pencils will be available. Families welcome!

Mess it Up Sensory Art

Fri, Sep 11 · 3:30 PM

Kids at Work · Chelsea

Instructor: Kevin leads Mess it Up Sensory Art, a hands-on art class for ages 18 months to 3 years at Kids at Work NYC. This indoor, drop-in session focuses on tactile exploration through creative play.

Primary Ballet Prep

Fri, Sep 11 · 4:30 PM

Tutu School Chelsea · Chelsea

Primary Ballet Prep at Tutu School Chelsea: a weekly 45-minute ballet class for ages ages 5 – 8 yrs. Rolling monthly membership ($175/month, registration ongoing) with unlimited make-up classes.