Mobius Kids
- Spokane, Washington. Hands-on discovery museum and science center. Includes profile, exhibits, membership details, news, and contact information.
- http://www.mobiusspokane.org/

KidsQuest Children’s Museum
- Bellevue, Washington. Hands on museum for children and families. Includes profile, exhibits, membership information, and contact details.
- http://www.kidsquestmuseum.org/

Children's Museum of Tacoma
- Tacoma, Washington. A non-profit organization celebrating the power of play while nurturing growth and development for children and parents.
- http://www.childrensmuseumoftacoma.org/

Imagine Children's Museum
- Everett, Washington. Fun and educational exhibits for children and parents. Includes events, art studio, general information, and contact details.
- http://www.imaginecm.org/

Hands On Children's Museum
- Find about current exhibits, programs, field trips and hours of operation. Located in Olympia.
- http://www.hocm.org/

Children's Museum
- Private, nonprofit learning institution focusing on interactive arts and humanities exhibits and programs for children and their families. Includes program details, an events calendar, memberships and employment opportunities. Located in Seattle.
- http://www.thechildrensmuseum.org/

Three Rivers Children's Museum
- Hands-on educational facility designed for children ages 2-12. Includes a calendar of activities, hours, admission fees, volunteer opportunities, and a wish list. Serving the Tri-cities. Located in Pasco, Washington.
- http://www.childrensmuseumtr.org