Saturday

116th LVIS East Hampton Fair
LVIS Grounds
East Hampton
10:00am - 4:00pm
Donation  for entry requested; fee for game and ride tickets    
This is a wonderful fair for children, especially the smallest ones. There will be a carousel, pony rides, bouncies, and a huge shady section filled with simple carnival games for the little ones. For slightly older children there is usually a giant slide. For adults there is a thrift shop, white elephant, and a number of local vendors. A wide selection of food is offered to appeal to any palate. At 6pm there is a big community BBQ and music. 

National Circus Project
Long Island Children's Museum
Garden City
1:30pm
$4 with museum admission ($3 LICM members), $8 theater only    
The National Circus Project is back this summer and it's bringing some of its best acts. Sit back and enjoy their hysterical acts, then join in the fun and learn all the tricks of the trade!

The Dirt About Dirt!
Center for Science Teaching and Learning
Rockville Centre
11:00am - 12:30pm
$10 each             
Investigate the soil we call dirt. Use water and more to explore different types of soil...Test it, touch it...Find out what dirt really is! This is a Family Fun event. CSTL makes learning fun!

Kids Club 13 Presents: RAPUNZEL: A Tangled Fairytale at the John W. Engeman Theater
John W. Engeman Theater
Northport
11:00am - 1:00pm
Free for Kids Club 13 members (memberships are $75)
Children 10 years and under
Visit the John W. Engeman Theater in the beautiful harborside village of Northport and enjoy free admission to the live Youth Theater performance of RAPUNZEL: A Tangled Fairytale, then take advantage of your Kids Club THIRTEEN member discounts at great local Long Island venues!

Saturday and Sunday

Lowe's DreamWorks--Themed Build & Grow Clinics
Lowe's stores nationwide
10:00am
FREE!
Grades 2-5         
Families looking for fun, free ways to beat the heat should look no further than their local Lowe’s store. DreamWorks Animation and Lowe’s have teamed to offer families a summer of hands-on fun. Beginning June 9, Lowe’s stores nationwide will hold free movie-themed Build and Grow clinics, featuring projects from DreamWorks Animation’s hit animated films Madagascar 3, Kung Fu Panda and Shrek. The special hour-long clinics, recommended for children in grades two through five, will take place on select Saturdays at 10 a.m. and Sundays at 2 p.m. throughout the summer. Participating children will receive a kid’s apron, goggles and a take-home, customizable wooden project. Be sure to register your child at Lowes.com/BuildandGrow as spaces fill quickly! 

Sunday

Summer Spectacular Party
The Jumping Gym
West Hempstead
Free      
Everyone welcome: Open play, crafts, games, prizes, face painting, fun, fun, fun !!

Long Island Steam Trains Open House
Southaven County Park
Brookhaven
10:30am - 3:00pm
FREE; donations appreciated     
Ride around 8 acres of tracks on a great collection of miniature steam, diesel and electric trains. Long Island Live Steamers will have their next Public Run Day on Sunday, July 29 in Southaven Park, Brookhaven, There will be future runs usually on the second and last Sundays of the month from May to October.  The full schedule is online here.