Celebrate your child's next birthday at the Science Museum of Long Island.  We have a variety of fun hand-on activities to choose from to make your party a success.

Our birthday parties are designed for children ages 4 and up.

Because of the Covid-19 risks, all parties will be limited to 12 children.

Masks are required inside the SMLI buildings.

For more information email or click here to fill out an online form.

 Parties include​:​

  • 45 minutes of a hands-on science program

  • 45 minutes in our party room

  • SMLI water bottle party favor for each child

  • Invitations for your guests

Option 1:  We provide refreshments

     Includes:  Pizza, juice, plates, napkins, plastic utensils, table cloths

     $425 for up to 12 children 

     (Additional fee to provide food for parents)

Option 2:  You provide refreshments

     Parent responsible for food, drinks, table cloths, and paper goods

     $375 for up to 12 children


Available Party Times (not available during the summer)

Saturday/Sunday - 10:00 am - 11:30 am (option 2 only)

                           12:30 pm- 2:00pm

                            3:00 pm - 4:30 pm

*Parents responsible for cake and candles    

Party Topics

Have an alternate topic idea?  Call us to brainstorm with one of our educators!

Animal Encounters

Celebrate your birthday with some of our live animals!  Learn about a variety of reptiles, amphibians, and mammals.  Get up-close as we discover how they live, what they eat, and what makes them so special.

Science Explorers

Unleash your inner mad scientist! See what amazing things can happen when chemicals mix in this experiment-filled party. Create a gooey concoction, make things explode, and more.

Electric Circuits

Make your birthday a shocking one by exploring the world of electricity.  Learn about electric circuits as we experiment with batteries, wires, and bulbs.  Observe the power of static electricity with our huge Van Der Graaf generator!

Slime Factory

Make Your Next Party an ooey gooey one.  Learn the science of slime and how to make the very best concoctions.  Mix and match ingredients to create your own custom slime to take home!


Liquid Nitrogen


Have the "coolest" birthday party ever!  Learn how temperature affects solids, liquids, and gasses and what happens when things get really cold.  Learn the science behind liquid nitrogen as we instantly freeze objects and perform many other experiments


Note:  Additional $85 material fee will apply to all parties


What was the earth like 50 million years ago?  Find out how scientists use fossils to learn how dinos and other prehistoric animals lived.  Visit our paleo lab to help us unearth some prehistoric bones.

Insects and Spiders

Are you afraid of spiders?  If not, our creepy crawly friends would make a great addition to any birthday party.  Learn the difference between insects and spiders and meet some of our arthropod friends.



1526 N Plandome Road

Manhasset NY, 11030





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