• mold variants

    A brass balance scale with one gold brick on the left pan and several gray bricks on the right, placed on a tabletop with parts storage in the background.
    Parts & Minifigures

    How the Wrong LEGO Part Variant Can Make a Simple MOC Needlessly Expensive

    Near-identical LEGO part variants can have dramatically different availability. Here is how to spot an overly specific part in a MOC BOM and decide whether a cheaper substitute is actually safe.

    Posted on The Brick Archivist