All Weekend

The Wizard of Oz - Garden City. Plaza Theatrical Productions is putting on this live performance at the Long Island Children's Museum. Shows at 11:30am and 2pm on both Saturday and Sunday. Cost: $12/ticket.

Messy Afternoons at LICM - Garden City. Long Island Children's Museum, Garden City, 3:30pm-5pm. Work on a fun project at LICM. Cost: Free with admission.

Great South Bay Music Festival featuring Laurie Berkner - Patchogue. While the festival runs all weekend, Laurie Berkner is performing on Sunday only. Cost for tickets: $32-$65

Southampton Kiwanis Carnival - Bridgehampton. Rides, games and food. Runs this weekend and next. Cost: POP bracelets available for $30.

Peter Pan: The Musical - Smithtown. This live musical theater performance is running through mid-August. Cost: $15-$30/ticket.

Saturday, July 19

Magic in the Walled Garden - Lloyd Harbor. A variety of amazing magic, and many funny and unusual things will happen during the show hosted by The Caumsett Foundation. Cost: Free

6th Annual Family Fair at CMEE - Bridgehampton. A day-long list of events, entertainment and activities at the Children's Museum of the East End. Cost: $100+/ticket.

Hamptons Family Fun Day & Trunk Show - Wainscott. Experience premiere brands and new retail collections, while children enjoy a fun-filled day of music, face painting, activities and more. Cost: Free admission

Eco Junior Program - Hubbard County Park, Riverhead. Participants will join Cornell's Peconic Dunes 4-H Camp environmental science educators to explore local ecosystems. An adult must accompany children under 6 years of age. Cost: Free.

Free Craft for Kids: Wiggly Eyed Glitter Fish - Lakeshore Learning Store, New Hyde Park, 11am-3pm. Kids visiting the store can create a fun craft on Saturdays. Cost: Free.

Alexander and the Terrible, No Good, Very Bad Day - Northport. Alexander is having a really, really bad day. He wakes up with gum in his hair, his best friend abandons him on the playground and his mom forgets to pack dessert in his lunch box. Might as well pack up and move to Australia! Cost: $15/ticket.

Saturday Nights on the Beach - Neptune Beach, Long Beach, 6:30pm. Kid-friendly movies and concerts. Cost: Free.

Train a Seal, Kiss a Sea Lion at the Long Island Aquarium - Riverhead. Bring the kids to the Long Island Aquarium in Riverhead on Saturday for a fun-filled day of behind-the-scenes action. During the event, which runs from 10:15am to 2:15pm, kids will be able to get up close and personal with some of the creatures that call the aquarium home. Cost: $155 per person.

Science Saturday at the Long Island Science Center - Riverhead. Kids can learn and play at the Long Island Science Center with over 30 hands-on exhibits. The center is open from 11am to 4pm. Cost: $5 per person.

Sleeping Beauty - Port Jefferson. Live performance. Shows on Friday too. Cost: $10/ticket.

Sunday, July 20

Beach Treasure Hunt - Bridgehampton. Kids can collect and create a craft at the South Fork Natural History Museum. Cost: $8

LEGO Club at CMEE - Bridgehampton. Children's Museum of the East End, Bridgehampton, 10am. Children can construct works of art using the thousands of Legos at the Museum. Cost: Free with admission.

Mommy/Daddy Me Anti-Gravity Yoga - Bellmore. Have your little one explore the Anti-Gravity hammocks while building basic motor skills. All kids AGY classes are structured to introduce basic life skills and build confidence in a light-hearted way while having fun. Cost: $20.

Family Sundays at the Nassau County Museum of Art - Roslyn. Each Sunday, Nassau County Museum of Art offers a 1pm docent-led family walk-through of the exhibition and supervised art activities for the whole family beginning at 1:30pm. Special family-friendly gallery guides of the main exhibition are available in the galleries.

Main photo: The Wizard of Oz, courtesy of www.plazatheatrical.com.