Kids’ Birthday Parties

Plan Your Child’s Birthday Party at CMOSC in Santa Rosa

Make your child’s birthday WONDER-full! 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.

Birthday Parties

Dow Event Center (Indoor)

Designed for 15 children; 30 guests total (includes host family)

$295 *

Includes:

  • Private Party Room for 2 hours
  • All-day Museum admission for hosts and guests ($360 value)
  • 15-minute pre-party set-up time
  • Designed for 15 children; 30 guests total (includes host family)
  • Museum T-Shirt for birthday child
  • *Current museum members receive $45 off! Not a member? Join today!
  • PDF Invitation – download

Outdoor Adventure Pavillion

Designed for 20 children; 40 guests total (includes host family)

$375*

Includes:

  • Shaded private outdoor area
  • 4 picnic tables covered by Four (4) 10’ x 10’ Canopies
  • 2 stainless steel buffet/side counters and prep sink
  • 1 rolling cart for loading and unloading
  • Mini Refrigerator
  • Simple wood framed playhouse for imagination play and fort building
  • PDF Invitation – download

Interested in an after-hours party?
Email parties@cmosc.org for more info!

Customize your party!

The Children’s Museum offers many upgrades to enhance your birthday party so you can sit back, enjoy your day, and play!

  • Professional face painting by Clementine the Amazing
  • Facilitated activities and art projects led by our party assistants
  • Order pizza, cake and drinks through us – we take care of the foot work!
  • Let us provide re-useable plates and utensils with our Eco Goods rental – we take care of the clean-up! 
Face Painting at Kids Birthday Party in Santa Rosa

Professional Face painting

Indoor $135 | Outdoor $160
*includes $50 non-refundable deposit

Party guests will enjoy 1 hour of face painting by a Clementine the Amazing professional face painter! This addition can be combined with any of our facilitated activities. Find more information on Clementine the Amazing, here.

*This activity is contingent upon Clementine’s availability. In the case that an artist is not available a FULL refund will be issued.

Kid’s Party Activities

Your party can include one of the following age-related facilitated activities led by our professional party staff. Activities are designed for the age of the birthday child with supplies for up to 15 children (Indoor party), 20 children (outdoor party). See activity descriptions below:

Birthday Party Activities

Crowns and Wands (ages 2+)

Indoor $50 | Outdoor $75

Get crafty with this great fantasy activity! Party guests decorate and make their own paper crowns and wands.

Birthday Party with Slime in Santa Rosa

DIY Slime (ages 4+)

Indoor $75 | Outdoor $100

Get ready to get slimed! Party guests will make their own batch of slime. After perfecting their recipe, the slime is bagged up to take home.

Birthday Parties for Three Year Olds

Straw Rocket (ages 3+)

Indoor $50 | Outdoor $75

The sky’s the limit with this activity! Party guests design and build their own straw rockets to take home. 

Science Birthday Parties for Kids

LED Bling (ages 5+)

Indoor $50 | Outdoor $75

Light up using science with this activity! Party guests design and construct wearable art pieces using LED lights. 

“I just had my daughters 3rd Birthday Party here this weekend. The kids ages ranged from 10 months to 12 years, and every single one of them had a blast! Many parents commented on how much fun was had by the whole family. The staff was super friendly and helpful. I’m very, very happy with my decision to have her party there.”

Food, Drink and Cake Options

Mary’s Pizza Shack 

Ordering, delivery and tip included!

Mary's Pizza Birthday Party

*Please reserve 2-weeks in advance

Large 16″ cheese pizza (10 slices) – $22

Classic goodness with Mary’s signature home made pizza sauce and mozzarella cheese.

Large 16″ pepperoni pizza (10 slices) – $24

Cooked to perfection with Mary’s signature home made pizza sauce, mozzarella cheese and mini pepperonis.                                          

Chilled Drinks

Indoor | $30 for 40 beverages
Outdoor | $40 for 50 beverages

*Please reserve at least 3 days in advance

Birthday Party Kids Drinks

You and your guests will arrive to a variety of chilled drinks including Honest Kids juice boxes and La Croix sparkling waters.

Costeaux French Bakery

*Please reserve 2 weeks in advance

6” Round 4 Layer Cake – $36

Serves 8-15 Guests

8” Round 4 Layer Cake – $48

Serves 16-25 Guests

Choose from the following four cake options – created exclusively for CMOSC!

Adventure Cake White chiffon cake with a whipped cream and raspberry conserve topped with vanilla buttercream frosting.

Adventure Cake

White chiffon cake with a whipped cream and raspberry conserve topped with vanilla buttercream frosting.

Imagine Cake Chocolate cake with a chocolate mousse filling topped with chocolate buttercream frosting

Imagine Cake

Chocolate cake with a chocolate mousse filling topped with chocolate buttercream frosting.

Discover Cake Chocolate cake with a Bavarian custard filling topped with chocolate truffle frosting

Discover Cake

Chocolate cake with a Bavarian custard filling topped with chocolate truffle frosting.

Wonder Cake   Butter vanilla Cake with a Bavarian custard filling topped with buttercream frosting and rainbow sprinkles

Wonder Cake

Butter vanilla Cake with a Bavarian custard filling topped with buttercream frosting and rainbow sprinkles

Extra Goodies

Eco Friendly Kids Birthday Party

Go Green! Eco Goods

Indoor $40 | Outdoor $50
Save time! Save Waste! Go Green!
Less waste, less fuss! The Museum will provide a colorful assortment of reusable utensils, plates, and compost-ready napkins for 30-40 people.
*Please reserve 3 days in advance

Birthday Party Kids Gifts

Gift Bags

$7/each
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. You’ll also get a CMOSC tote bag to take items home with you too!
*Please reserve 3 days in advance

Birthday Party FAQs
Day of Party Logistics
Email: parties@cmosc.org

Birthday Invitation PDF > Get your invites out early!

Happenings