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Harvest Hoot at the Children’s Museum of Denver at Marsico Campus

Dress to impress in your favorite costume and enjoy family-friendly fall activities

October 14, 2026

Calling all ghosts, goblins and grinning pumpkins: Harvest Hoot is taking over the Children’s Museum of Denver at Marsico Campus! 

This October, the Children’s Museum will transform into a spook-tacular wonderland of fun! Dress to impress in your favorite costume and head to the Children’s Museum for family-friendly fall activities at the Harvest Hoot!

Little pumpkins can dress up in their favorite costume and learn some tricks at our Monster Mash Circus, concoct sensory sand potions, test their skills at carnival games, create spooky stuffies, explore a cranberry bog, meet interesting creatures and so much more!

All this fabulous fall fun is included with general admission, and Children’s Museum members are free.


barrel train with kids in costumes

Event Details

  • Children’s Museum of Denver at Marsico Campus
  • Friday, October 23 through Sunday, October 25 
  • 9am to 4pm
  • Advanced tickets are not available for this event. 
  • Tickets must be purchased day-of at the Museum, first-come, first-served.
  • Costumes are encouraged, but please keep it family-friendly, folks!
  • Please note: There is no trick-or-treating at Harvest Hoot.

For the safety of our guests, costume restrictions apply to Adventure Forest climbers:

  • Helmets must fit securely - no masks allowed
  • No accessories that hang off the costume will be permitted (scarves, necklaces, capes, etc.)
  • All props must be left behind (wands, swords, brooms, etc.)
  • If your costume is bulky or impedes movement, please bring an extra set of clothing to climb in

Please note: For guest safety, the Museum reserves the right to restrict access to Adventure Forest if a costume is deemed unsafe. Adventure Forest will close in the event of inclement weather at the discretion of Museum staff.


About The Children's Museum

The mission of the Children's Museum of Denver at Marsico Campus is to create extraordinary experiences that champion the wonder and joy of childhood. They believe in kid-powered learning and every day, their expertly designed exhibits and programs open doors for Colorado's curious young minds to express what they know and to discover, create and explore more - on their own terms.

Since 1973, the Children’s Museum of Denver at Marsico Campus has served the metro-Denver community as a learning institute dedicated to the education and growth of young children and their caregivers. The Museum provides rich play experiences and a dynamic learning environment for children to joyously learn through innovative and interactive hands-on exhibits, engaging daily programming and year-round special events.

The Children’s Museum of Denver at Marsico Campus is a 501(c)(3), private non-profit organization, and a Tier II SCFD member.

Connect with The Children’s Museum of Denver at Marsico Campus on Facebook and Instagram, and YouTube.