Children’s Birthday Parties (for Ages 4 and Up)

Let your little one launch into space, be amazed by dinosaurs, build tall buildings, or create some gooey slime.

Designed to both educate and entertain, our birthday parties make planning a breeze, leaving all your guests smiling at the end of the day!

Party Packages and Guidelines:

Standard Package:

$300 for MOSI Members/$400 for Non-Members

Includes all of the following items:

A museum-trained party facilitator to run the party and assist with setup and cleanup.

Private party room for a maximum of 1.5 hours plus a half an hour setup time prior to the start of the party

Printer-friendly (PDF) digital party invitation

All tables (covered with plain plastic tablecloth) and chairs

A special gift for the birthday child

All materials for the hands-on science theme activities

All-day admission to MOSI for all guests (maximum 30 guests)

Premium Package:

Additional $50

The Standard Package plus:

2 large cheese or pepperoni pizzas (10 slices each) delivered to the party

Assortment of juice pouches

Plates and napkins

Additional pizzas can be ordered for $20 each.

Final food orders must be confirmed 10 days prior to the date of the party.


Take your party to the next level and leave the party favors to us!

Take science home with you as you learn why this "Magic Sand" repels water, aerodynamics with your own Foam Glider, kinetic energy when you send your Popper Bubble sky high, and finally explore a chemical reaction when you try POP ROCKS®, a "popping candy".

Each party bag is unique and will include the following items:

 Magic Sand

Temporary Dinosaur Tattoo

Science Pencil


Rubber Popper Bubble

Foam Glider

Glow Bracelet


$90 for 15 bags, $6 per additional bag. Party bag orders must be confirmed 10 days prior to the date of the party


Choose your child's favorite theme:

Slimy Science

Do you love slime? We have a birthday Party for you! Come to MOSI and have a slime-tastic birthday. This party is full of slime making fun with some to take home.

Energetic Engineers

Use your engineering skills to build the tallest structure and test its strength using a shake table. How well will your structure do against a simulated earthquake?

Dino-mite Dinos

Explore what makes a fossil stand the test of time. See and feel different characteristics of teeth between a carnivore and an herbivore. Make a fossil cast of a dinosaur tooth to take home.

Birthday Blast-Off

Have a stellar birthday this year! Explore the infinite world of space travel with your friends. Can your rocket reach the stars?

Reservation Process

Children's Birthday Parties are scheduled at 10:30am - 12:00pm or 2:00pm - 3:30pm on Saturdays and Sundays.

Each party is a maximum of 1.5 hours. Setup for party may begin 30 minutes prior to start time. 30 minutes after party will be provided for clean-up.

Parties must be booked at least 2 weeks in advance. Payment for party is non-refundable and due at the time of reservation.

Tables will be covered with purple plastic table cloths. Some outside decorations and food may be permitted (see the Party Rules and Regulations for restrictions)

Add-ons Available*

Planetarium Show: $250 for private show

Ropes Course: $250 for private timeslot

*Must be booked at least 2 weeks in advance

Ready to book a party?

Submit a Request

Questions? Contact us at