The big news this weekend is that the Bronx Zoo’s Children’s Zoo is finally re-opening with a big bash. But fun is happening all over the city including a ladybug release, an interactive NASA sculpture you’ve gotta see, a hands-on STEAM fair, a sleepover for your little knights and more. Read on for all the details.

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Photo: Rain0975 via Flickr

Uptown

Be One of the First to See the Children’s Zoo at the Bronx Zoo
This weekend is finally the grand re-opening celebration. Feed furry friends at the petting zoo; see new exhibits including giant anteaters, sloths and the world’s smallest deer; enjoy old favorites like the prairie dog tunnels and the tree house slide; see music and dance performances and meet Peppa Pig. Sat. & Sun., 10 a.m.-5:30 p.m. Zoo total experience admission, adults/$33.95, kids/$23.95, kids 2 and under free. All ages. Event details.

Go Back to the Middle Ages for a Sleepover
Fair knights and their chaperones can journey back to the Middle Ages during a unique sleepover at the Cathedral Church of St. John the Divine. The medieval fun at this splurge event includes a scavenger hunt, period dances, a clay gargoyle craft, a (foam) swordplay workshop, and more. Dress-up is encouraged, RSVPs are required. Fri. 6:30 p.m. Morningside Heights. $135/person. Ages 6-12. Event details.

Midtown

See an International Whistling Champ and Her Band
Emily Eagen is ready to perform at this free Carnegie Kids event. Besides whistling she sings and plays the ukulele. Her band, the Whistling Wolves, also adds in the harmonica, spoons, bones, jaw harp and jug for a unique sound and site for the whole family to enjoy. Sun. 2 p.m. Midtown. Free. Ages 3-6. Event details

Downtown

Celebrate 75 Years of the Essex Street Market
Local chefs that will be ‘cue-ing up the grill at this street fair celebration. Plus, you can’t miss having a slice of the world’s biggest birthday cake! The fiesta will also feature live music, DJs, games, giveaways and pushcarts stocked with all of your favorite goodies from Essex Street Market. Sat., 12 p.m.-5 p.m. Lower East Side. Free. All ages. Event details.

Help Release Loads of Ladybugs
Visit Washington Market Park this morning for a very special bug-tastic event. You can help release and distribute 100,000 ladybugs in the park. Sat. 11 a.m. Tribeca. Free. All ages. Event details.

Watch a Fantasia-Inspired Ballet
All of the magic of Fantasia comes to the stage en pointe – dancing brooms, magical sorcerers, ostrich’s and all! See the Joffrey Ballet School’s rendition of this beloved Disney classic while live orchestra plays the tunes you will remember well. Sat., 6 p.m., Sun., 12 p.m. & 3:30 p.m. Tribeca. $40/adults, $20/kids. All ages. Event details.

Brooklyn

Geek Out at the World Science Festival
The World Science Festival is happening in NYC this week and it’s coming in family-friendly forms to the East River at Brooklyn Bridge Park. Learn about space at a giant (and awesome!) NASA interactive sculpture. Help count, identify and release fish in New York’s waterways. Discover all kinds of science from robotics to genetic engineering from scientists in the field. Plus, much more! Fri., Sat., Sun., 10 a.m.-10 p.m. Brooklyn Heights. Free. All ages. Event details

Get Hands-On at a STEAM Fair
Hit this hands-on fair to get in on the science, technology, engineering, arts and math fun including making glitter slime, Minecraft demos, stop motion animation, robotics, 3D printing, reptile encounter, paper rocket launches and more. Plus, meet folks from the New York Hall of Science, Construction Kids and the BEAM Center. Sat., 11 a.m.-4 p.m. South Slope. $5-10. All ages. Event details. 

What are you up to this weekend? Share with us in the comment section below. 

— Julie Seguss