• M:Tron

    Red and blue brick-built train wagons face each other with round magnetic couplers, while a red-and-black mobile crane lifts a grey cargo crate nearby.
    Inspiration & Features

    LEGO Magnets Explained: From Train Couplings to M:Tron

    How did LEGO magnets evolve from red-and-blue railway couplings to M:Tron cargo cranes and modern sealed parts? A design history with a practical guide to identifying vintage LEGO magnets.

    Posted on The Brick Archivist