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Birthday Parties

Make your child’s birthday a WONDER-full one! With an exclusive party area and unlimited play at the museum… this will surely be an unforgettable celebration. We make it easy and affordable for you to celebrate your child’s special day.

Indoor Birthday Party

Available year round

$250/$225 Members

  • 15 children
  • Dow Party Room for 1.5 hours
  • All-day Museum admission for party
  • 30 person maximum, includes 15 children & their adults.
  • Museum T-Shirt for birthday child.
  • PDF Invitations
  • The Basics: Chairs and tables, sink, fridge, cart to transport gifts

Outdoor Birthday Party (Coming April 2017!)

Available April – October

$325/$300 Members

  • 20 children
  • Outdoor Adventure Pavilion for 2 hours
  • All-day Museum admission for party
  • 40 person maximum, includes 20 children & their adults.
  • Museum T-Shirt for birthday child.
  • PDF Invitations
  • The Basics: Chairs and tables, sink, fridge, cart to transport gifts

Add more to your party!

Playologist Pal & Program – $75 indoor/$100 outdoor

For an extra special party experience, choose one of our custom Party Programs led by a Playologist Pal in your private party area. See more information below.

Gift bags – $7 per person

Each bag includes a fun selection of engaging gifts like puzzles, magnifying glasses, clay and more! They are presented to your guests in the birthday room on a festive tray

Save time! Save Waste! Go Green! – $2 per person

Less waste, less fuss!  The Museum will provide a colorful assortment of reusable utensils, plates, tablecloths and compost-ready napkins for 30-40 people. Pictured below.

I loved the plates, cups and utensils option! So much less waste.
— CMOSC Party Host


Fill out our birthday party form, call 707-546-4069 or email

  • Add-ons must be scheduled at least two weeks in advance and are contingent upon availability
  • Payment-in-full is required at time of booking (includes a separate, refundable $50 security deposit payable by credit card or check).

Playologist Pal Programs

You have the choice of one of the following activities with a Playologist Pal. With each activity, materials will be provided for 15 children (Indoor Party) and 20 children (Outdoor Party). A Playologist Pal will greet your guests, help set-up, lead, and cleanup the activity.

*Playologist pal activities begin promptly 15 minutes after the reservation time begins (Ex: An add-on activity will start at 10:15 am for a 10 am party reservation.)

Balloon Blow-up

How can you blow a balloon up without using your lungs? Party guests have a blast figuring it out with this fun science activity!

DIY Slime

Get ready to get slimed! Party guests make their own fun slime to take home with them.

Design your own straw shooter

The sky's the limit with this activity. Party guests design and build their own straw shooter to take home. Pictured below.

Paper Plate Crowns

Get crafty with this great activity. Party guests decorate and make their own paper plate crown to wear for the party. Pictured below.

LED Bling

Party guests light up with delight when designing and constructing art pieces using LED lights. Pictured below.

Color ME

Party guests can express their creativity on their own faces with the help of a stage vanity and washable face painting watercolors. (This program does not come with a face painter. it specifically designed for children to paint their own faces.)

Professional Face painting (additional $50)

Party guests will enjoy having their faces painted by a Clementine the Amazing professional face painter. (Additional non-refundable $50 deposit required at time of booking.) Find more information on Clementine the Amazing, here. Pictured below.

Birthday Party PackagesIndoor Birthday PartyOutdoor Birthday Party
Guests15 Kids (total of 30 people)20 Kids (total of 40 people)
Price (general/members)$250/$225$325/$300
All-day Museum admission
Party duration1.5 hours2 hours
T-shirt for birthday child
Add-on Program with Playologist Pal$75$100
Go Green!$2 per person$2 per person
Gift bags$7 each$7 each
Location at MuseumDow Event CenterOutdoor Adventure Pavilion