Parker, Malcolm. "The Origins of Slot Car Racing".
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The landscape is perpetually evolving, adapting to new market conditions, technologies, and cultural phenomena.
Because they have been marketed as mannequin railroad accessories, the unique small slot vehicles of the early 1960s very roughly approximated either American and European HO scale (1:87) or British OO scale (1:76).
1:48 cars had been promoted briefly within the 1960s, and 1:43 slot automobile units are usually marketed as we speak (2007) as youngsters's toys.
Chang, Dave (2007). The Slot Automobile Handbook (1 ed.).
Chang, Dave (2007). The Slot Automobile Handbook (1 ed.).