Welcome May, and the fact that warm weather is finally here to stay (right?), with a full roster of family fun this weekend. Get your bikes ready for a season of riding, participate in one of the city’s most colorful and messy festivals, wear your PJs to a play, ride a pony, attend a free Saturday sing-along session and more.

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Uptown

Hippo Playground Spring Fair
One of the Upper West Side’s favorite playgrounds is hosting a spring fair to raise funds to keep the playground great. Kids will love the lineup of ticketed activities including a bounce house, pony rides, a maze, petting zoo, face painting, games and more. Sun., 10 a.m.-4 p.m. Upper West Side. Free to enter. All ages. Event details.

Midtown

Pixar Movies with a Live Orchestra
The New York Philharmonic will enchant audiences young and old by playing the scores from 13 hit Pixar movies live. While you listen, you’ll get to watch the most touching and memorable, visually stunning film clips from the big hits like Toy StoryFinding Nemo, Wall-E and UP. Fri. & Sun., 7:30 p.m. Midtown. $40-$125. Ages 5 and older. Event details.

Holi Hai Festival of Colors
The Indian festival Holi Hai, also known as the Festival of Colors, celebrates the arrival of spring, along with friendship and equality. Wear white – colored powders that represent happiness, love and the freedom to live vibrantly, will brighten up your clothing. Make friends colorful and enjoy a day of dancing, musical performances, food and messy fun. All ethnicities and nationalities are encouraged to participate. Sat. Midtown. $8. Ages 4 and olderEvent details.

Downtown

Bike Expo New York
Celebrate bicycling in NYC and beyond at Bike Expo 2014. This two-day event leading up to the Five Boro Bike Tour features lots of bike-tastic stuff for you and your kids to see. Besides perusing the vendor booths, you can see a BMX riders showing off their latest tricks, a fastest mechanic competition and learn to ride classes for the little ones. Fri.. 10 a.m.-8 p.m. & Sat., 9 a.m.-6 p.m. South Street Seaport. Free. All ages. Event details.

Brooklyn

Free Sing Along with Miss Nina and the Jumping Jacks
Visit the Brooklyn Public Library’s Central Branch for a free family event featuring Miss Nina and her band the Jumping Jacks. They’ll be hosting a sing-along, read-along, move-along performance that aims to foster a love of books and reading through music. Sat., 1 p.m. Prospect Heights. Free. All ages. Event details.

Go to the Theater in Your PJs
Bedtime is a live theater show for young audiences that comes from one of the best children’s education and theater companies in Spain – Katarsis, Educacion y Teatro S.L. With this 45-minute show, you’ll enter into a warm, whimsical and imaginative world where bedtime is fun – pillows become wings, sheets become flags, and even towels join in. Side note: Wearing pajamas is highly encouraged for this show! Fri., 10:30 a.m., Sat. & Sun., 10:30 a.m. & 1 p.m. Fort Greene. $7. Ages 1-4Event details.

Looking for something else to do? Check out our NYC events calendar to find more local activities for families.

What fun activities do you have planned this weekend?

— Julie Seguss

Image courtesy of  Bike NY