Number below legos


If there is a person who knows what the numbers below the lego are for, please tell me
Please

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  • You mean the numbers embossed on most pieces?

    Most pieces have two numbers, a 4 or 5 digit part number which is used to identify the type of part, and a shorter number which is used internally by LEGO to identify the mold used to make the part and track any quality issues.
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