The LEGO HO 1:87 Vehicles subtheme, also referred to as LEGO small vehicles where plastic sets released in the 1950's and 1960's to compliment LEGO sets which could be used to build houses, gas stations, garages, shops and more. These vehicles sets remailed in production for almost ten years until they were replaced by LEGOLAND vehicles in the early 1970s. LEGO made the these small 1:87 scale vehicles until around 1969.
1955 LEGO Sets
1955 marked the debut of the LEGO System i Leg—“System of Play”—the foundation of the modern LEGO philosophy. Introduced at the Nuremberg Toy Fair, the concept unified LEGO sets under a single scale and theme: a buildable town with houses, vehicles, and streets. Though early reception was cautious, it established the guiding Principles of Play later adopted companywide. LEGO also entered new markets in Sweden and Germany, broadening its reach beyond Scandinavia.