After Hours Parties

Book your exclusive Museum playtime today!

Host a kids birthday party, sports party, family fun time, or private event at Imagine Children’s Museum!

We offer an unbeatable playful learning space where guests of all ages can have fun and connect with one another while exploring our hands-on exhibits.

These experiences are offered Tuesday through Saturday, and include:

  • Two (2) hours of exclusive Museum playtime in the North (original) side of the Museum for up to a total of 75 party guests, including the host and host’s family.
  • Private use of the North side’s main floor, Lower Level Commons Area. Rooftop bonus access during late spring and summer only. Does not include access to the Museum’s 2022 expansion, the Lodge, or classrooms.
  • Your choice of start time: 5:30 p.m., 6:00 p.m., or 6:30 p.m.
    Time extensions are available for $200 per hour — if requested two weeks or more in advance. Time extensions are not available the night of the event.
  • Imagine t-shirt and birthday button for honoree.
  • Free future visit coupon for every child.
  • Invitation postcards, which can either be downloaded or picked up in the Museum. Click here to download.
  • Food and beverages are allowed ONLY in lower-level Commons Area, and are NOT allowed on the exhibit floors or rooftop play area.
  • Review our Need-To-Know Fact Sheet for more information.

Questions? Call Celebrations at (425) 258-1006, Ext. 1025 or email for more information.

• With the exception of the 5:30 time slot, we are happy to accommodate you a few minutes prior for setup.
• Parties are nonrefundable; in the event of a cancellation, the party can be rescheduled within a calendar year.
• For parties of more than 75 people, additional fees apply; memberships cannot be used towards these additional fees.
• We do not allow anything to be taped, tacked or hung on the walls or exhibits.

After Hours Party – Weekday


After Hours Party – Weekend

• 5:00 – 7:00 pm
• 5:30 – 7:30 pm
• 6:00 – 8:00 pm
• 6:30 – 8:30 pm
• 7:00 – 9:00 pm
(Tuesday through Thursday)
• 5:00 – 7:00 pm
• 5:30 – 7:30 pm  

• 6:00 – 8:00 pm 
• 6:30 – 8:30 pm
• 7:00 – 9:00 pm  

(Friday and Saturday)
75 party guests
(Total number of children and adults — including host,
host’s family and honoree.) 
75 party guests
(Total number of children and adults — including host, host’s family and honoree.) 
Members: $440
Non-members – $500



Members – $525
Non-members – $600



*Party add-ons require a minimum of one week’s notice and are subject to sales tax.

Latex Balloons $1.50 each / $15 per dozen
Crown or Tiara $4 each
Goody Bags $5 each
Facilitated Educational Enrichment Activity Customized to fit your budget and interests! For more information, contact Celebrations at (425) 258-1006, Ext. 1025 or email