Get ready for a one-of-a-kind STEM-filled overnight adventure as Girl
Scouts take over the City Museum after hours!
From Daisies to
Ambassadors, every Girl Scout will explore, play, and engage in
hands-on STEM activities while making unforgettable memories.
Your night includes exclusive after-hours access to the entire City
Museum. STEM-focused stations with STEM partners and interactive STEM
experiences while sleeping inside one of the most imaginative spaces
in the city!
Cost per attendance is $60 per Girl Scout and $60
per adult, including pizza dinner, evening snack, a quick breakfast in
the morning, and a special City Museum STEM Overnight patch.
A
full list of what to bring, parking, and all event details will be
included in your confirmation email after registration closes. More
information about our featured STEM partners and evening activities
will be included in the confirmation email as partner attendance is
confirmed.
Pricing will increase for Girl Scout youth to
$75.00 and adults to $75.00 after May 4th, 2026.
Important Info for Troop Leaders, Guardians & Caregivers:
To ensure a safe and successful experience for all participants, the
following guidelines apply:
* This is NOT A DROP OFF EVENT. Adults are required to remain with their Girl Scouts. As required by Volunteer Essentials and Safety Activity Checkpoints, adults attending this event are responsible for their troop or individual Girl Scouts behavior. Individual girl registrations will require adult attendance.
* Troops attending as a group must bring at least two registered adult volunteers, and at least one adult must be certified in First Aid and CPR.
All attending adults must:
* Be registered
members of Girl Scouts, have a current, cleared background check,
complete Illinois Mandated Reporter Training, and be verified for any
required certifications before the event.
Exciting news! Thanks
to the generous support of the Glenn Bailey STEM Leadership Grant,
every Girl Scout Youth participant can order a $5.00 youth size,
unique STEM shirt!
All shirts are nonexchangeable, so please
confirm your Girl Scouts size during the registration sign-ups. Adult
sizes are available for an additonal costs and can be purchased
through registration.
Registration End Date: June 29, 2026
Location: St. Louis, MO