The Stephen Sondheim collection of game and puzzle periodicals consists of periodicals and ephemera that belonged to Stephen Sondheim. The materials date from 1982 to 2018 and are housed in one folder.

The collection consists of materials collected by Greg and Georgette "Pinch" Lee, while working on the Where in the World is Carmen Sandiego? game show produced by PBS. The materials date from 1978 to 2003, with the bulk of the materials between 1991 to 1996. The papers are comprised of newspaper clippings, photographs, correspondence, fan generated content, scripts, audiovisual materials, and more.

This collection consists of program development documents for Where in the World is Carmen Sandiego?. The papers date from 1991 to 1995, with the bulk of materials dating from 1991. The papers are comprised of scripts, set blueprints, and drawings.

This collection contains a set of printing proofs for the party game, Caution Signs. The materials are dated 2023 and include proof sheets for the game rules, packaging graphics, game components, and score sheets.

This collection consists of game rules and ephemera collected by Bob Collins. The materials date from 1878 to 1997.

This collection consists of game rules [photocopies and originals] collected by members of the Association for Games and Puzzles International. The materials are dated from 1841 to 2006. The rules included are for board games, card games, word games, educational games, and many more.

The Meccano records document production and sale of Meccano construction sets. The materials date from 1912 to 2005. The records are comprised of set instruction manuals and still images including photographic prints, 35mm slides, and negatives.

This 83.6 MB digital collection pertains to the development of the toy Bubble-Worm, including focus group information, publicity clippings, video demonstrations, and details about the product's licensing agreement and a subsequent legal complaint. The files date from 2009 to 2016 with the bulk of the material dated from 2009 to 2013. The material is comprised of correspondence, invoices, legal documents, still images, text, and videos.

The collection documents Charles Phillips's career as a toy and game designer. The majority of the collection is undated, the remainder of the papers date from 1979 to 2019 with the bulk dating from 1981 to 1998. The materials consist of game design documents, game rules, game board drafts, game component and packaging proofs, correspondence, photographs, drawings, and reference material.

The Susan Sofia-McIntire papers document the career of soft toy designer Susan Sofia [Susan Sofia-McIntire] including products developed for Hasbro, Mattel, Tyco and others. The majority of the materials are sewing patterns. The collection also includes notes, sketches, fabric swatches, design specifications, and digital files. The materials date from 1992 to 2022 with the bulk dating from 1992 to 2001