All Weekend

Heckscher Museum Celebration - Huntington. Various events including a selfie booth, caricatures and Lego artist. Free.

Big Apple Circus - Greenvale. At the Tilles Center, the circus comes to town all weekend long. Food trucks will also be on hand.

Let's Get Rolling - Port Jefferson. At the Maritime Explorium, design your own roller coaster and test it out. 

Animal Passport: Two Days of Toads - Cold Spring Harbor. At the Cold Spring Harbor Fish Hatchery, learn why toads are so special, make crafts and more.

Cinderella's Glass Slipper - Smithtown. Performed by professional actors, this show will be running on Saturdays and Sundays through Aug. 23.

Goldilocks & The Three Bears - Sag Harbor. At Goat on a Boat Puppet Theater, enjoy a puppet show.

Mary Poppins - Oakdale. At CM Performing Arts, this live performance runs through July 19 on various days.

Westbury Music Fair Market - Westbury. Outdoor shopping event. Free to enter.

Weekend Workshops - Sayville. Drop in for a different art project each weekend. Call first to make sure a private party isn't ongoing.

Saturday, July 11

Funny Man Show - Lloyd Harbor. At Caumsett State Park, families can watch a comedic clown perform. Free.

Rockville Centre Fireworks - Rockville Centre. A free concert and fireworks show at dark at Mill River Park. Free.

Concert in the Park - East Islip. At Heckscher State Park, a Salute to Our Heroes concert will be performed, followed by Grucci fireworks. Free.

Cinderella Kids - Oakdale. At CM Performing Arts, this is a live performance.

Movies on the Beach - Long Beach. At dusk at Lafayette Beach, enjoy a movie. Bring your own chair or blanket. Free.

Mommy & Me Painting Class - Bellmore. At As You Wish, a parent and child can work on a canvas painting together. Includes supplies, bagels and juice.

Sensitive Safari - Riverhead. At Safari Adventure, children ages 1-12 with special needs can enjoy an hour of play. All are welcome to stay after, when the play place is open to the general public.

Design a Dress - Bridgehampton. At the Children's Museum of the East End, museum-goers can take a workshop to design a dress.

Science Saturdays - Riverhead. At the Long Island Science Center, there's a different science theme each week. Hands on discovery and play time.

Shark Family Night - Sag Harbor. At the Sag Harbor Whaling Museum enjoy shark fun and a pirate themed BBQ.

Sunday, July 12

Sensory Garden Sundays - Oyster Bay. At Planting Fields Arboretum, children will have the opportunity to see, taste, touch, smell and listen to the wonders of the sensory garden. Free.

Long Island Live Steamers - Brookhaven. Ride on small scale trains through the woods.

Summer Sundays - Brookhaven. At Brookhaven National Lab, tour the world-class facilities, attend an array of dynamic science talks, and participate in special activities each week on Sundays in the summer. Free.

Tails & Tales - Seaford. At Tackapausha Preserve, kids can learn about cottontail rabbits.

Polo in the Park - Bethpage. Take in a polo match and some family fun at Bethpage State Park.

Sunday Kids Clubs - East Hampton. Visit Hampton Kids for a mini camp on Sundays. Snacks, arts, lunch, games and bouncy houses.

Family Sundays at the Museum- Roslyn. Families can attend a day of festivities and activities at the Nassau County Museum of Art.

Seatuck Family Nature Club - Islip. These programs will be geared around the current season and include topics such as seasonal birds, tremendous trees and signs of the season. Free

Photo: Long Island Live Steamers