Boo Bash!

Join us for Olympia's beloved fall costume party, Oct. 22-31.

Boo Bash Oct 22 - 31

Boo Bash!

Don your costumes and bring your superheroes, princesses, and monsters to the Hands On Children’s Museum for a spooktacular good time. Enjoy Halloween-inspired fun and exciting activities without the fright.

Special event activities vary depending on days of the week and visitation levels, please see the events calendar for updated information. See a detailed Map of Boo Bash Activities. Activities may be added at any time.  Online reservations required. 

  • Navigate the straw bale maze
  • Explore a black-light cavern & make a creepy-crawly that glows
  • Design a scarecrow family
  • Go on a scavenger hunt
  • Decorate mini pumpkins
  • Make a mini ghost & fly it through the Airways Maze
  • Pound golf tees into pumpkins
  • Make enchanted charms and potions
  • Meet Madagascar hissing cockroaches
  • Press apples into cider
  • Watch exciting demos by Dr. Science
  • Join the costume parade
  • Silkscreen a Treat Bag (for an additional fee)
  • Learn about cunning crows & ravens
  • Strike a pose in our photo booth

Sensory-Friendly Boo Bash

Special Boo Bash activities will be available during our normal Sensory Friendly Hour (9-10 am), October 24 & 31 for families of children with sensory sensitivities.


Get Tickets

Member Reservations
General Admission
Sensory Friendly Events