The collection consists of the records and memorabilia of the Portland Children's Museum of Portland, Oregon. Records include annual reports, program schedules, architectural records relating to the museum's move to Washington Park, and design documents, proofs, and samples for exhibits, signage, mailers, and other promotional materials. Other materials include programs for the museum's "Be a Kid Again" gala; a scrapbook of clippings, photographs, programs, and ephemera from the 1940s through the 1980s; advertisements and other promotional materials; and ephemera.