The Replacement 4.
The Replacement 4.5V Motor is a crucial piece of LEGO history. As a standalone service pack released in 1977, it highlights the early days of LEGO electrification, enabling movement and bringing LEGO creations to life in a new way.
This set is perfect for vintage LEGO enthusiasts and collectors. Owning this piece allows for the restoration of classic LEGO trains and other motorized sets from the 70s and 80s, adding a functional element to a collection.
Skip this if you're looking for a complete building experience or modern Power Functions. This is a single motor intended as a replacement part, not a full set, and is incompatible with modern LEGO systems.
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YouTube reviews of the Replacement 4.5V Motor (1101-1) are mixed, with channels like BrickTsar focusing on vintage versions and conversions. The general sentiment leans towards neutral, with some finding value in its historical context and functionality for older LEGO train systems.
BrickTsar showcases the 1980s LEGO 4.5V Train 7720 set and the 1972 version of the 103 Motor Set, providing vintage context. Alex Nunes explores the evolution of LEGO train motors, highlighting the 4.5V system within the broader history of LEGO trains.
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