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Harvest Hoot at the Children’s Museum of Denver: costumes, carnival games and a Monster Mash Circus (Oct. 23-25)

Illustration of families mingling in a lobby with a stone fireplace and mountain views

Harvest Hoot takes over the Children’s Museum of Denver from Friday, Oct. 23 through Sunday, Oct. 25. The museum’s list of activities includes a Monster Mash Circus where kids learn tricks, sensory sand potions, carnival games, make-your-own spooky stuffies and a cranberry bog to explore. Costumes are encouraged, as long as they stay family-friendly.

Two things to know. First, the museum says there is no trick-or-treating at Harvest Hoot. Second, advance tickets are not available for this event: tickets are sold day-of at the museum, first-come, first-served. Harvest Hoot activities are included with museum admission, which is $19.75 for ages 2 to 59, $17.75 for 1-year-olds and for adults 60 and older, and free for babies under 1 and for members.

Know before you go

  • Children’s Museum of Denver, 2121 Children’s Museum Drive, Denver. The museum lists its hours as 9 a.m. to 4 p.m., seven days a week.
  • Costume rules for Adventure Forest: helmets must fit securely, so no masks; no accessories that hang off the costume, such as scarves, necklaces or capes; props such as wands, swords and brooms stay behind; and if a costume is bulky or impedes movement, bring an extra set of clothing to climb in.
  • A lower-priced visit earlier in the month: on Tuesday, Oct. 6, the museum is open until 7 p.m. and admission after 4 p.m. is $12. Those tickets are not sold online.
  • More Halloween for kids: Boo at the Zoo and the Pumpkin Harvest Festival at Four Mile Historic Park, Oct. 17-18.

More like this: Denver · Kids + Family · Seasonal · Glow at the Gardens

Source: Children’s Museum of Denver event page. Verified Oct. 1, 2026.

Event details

When
Friday, October 23, 2026 – October 25, 2026 · 9:00 AM
Repeats
Daily Friday, Oct. 23 through Sunday, Oct. 25, during museum hours (9 a.m.-4 p.m.)
Where
Children's Museum of Denver, 2121 Children's Museum Drive, Denver, CO 80211
City
Denver, Denver Metro
Cost
Included with museum admission: $19.75 ages 2-59; $17.75 age 1 and ages 60+; under 1 and members free
Ages
Not listed
Organizer
Children's Museum of Denver
Verified
October 1, 2026

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