• Bill Bean's Erector Set and A.C. Gilbert Website - Erector Sets and other toys produced by the A.C. Gilbert Company between 1913 and 1962
  • Construx Creations - Fun projects put together with Fisher-Price Construx. Lots of pictures.
  • Electronics in Meccano - Features motor control methods and soldering. Each circuit covered includes a list with current Maplin codes and prices. Includes data sheets, and articles.
  • Frank Hornby and Friends - Features architectural and construction models including Meccano, Bayko, Erector, and Arkitex. Provides images of catalogues, models, and boxes. Includes links.
  • Girder and Panel Collectors Club - Club for collectors of Kenner and other licenced manufacturers of Panel and Girder construction toys.
  • International Society of Meccanomen - Presents information about the ISM, model building, collecting, selling and articles of general interest.
  • Jackie's Architectural Pages - Descriptions of various types of architectural toys, with directory of manufacturers.
  • Jim's Meccano Page - Collector features photos, tips, information on Meccano construction sets. Also the British Columbia Meccano Club site.
  • Joel Perlin - Metal Construction Toy Specialist - Offers sales of new and antique erector and Meccano sets, as well as obsolete and replica spare parts. Includes magazine, and model of the month.
  • Meccano Model Library - Site dedicated to modelling with Meccano, including photo gallery and details of construction.
  • MeccanoNet - Offers information and resources for Meccano collectors and builders.
  • Steel Tec - Information and data on the Steel Tec model construction system

Other links and resources here.