Quick Answer: What do the numbers on the bottom of LEGO pieces mean?

Design numbers identify the shape of the part. They first appeared on the underside of parts around 1985 but it’s believed that they started to be used internally from 1968. The numbering series began at 3001, which is the 2×4 brick.

Why are there numbers on bricks?

He also states that many of Stein’s bricks were marked with 3 or 4 figure numbers. These represented orders or customer identification but often they simply related to a page in the order book and thus related to a single and were thus easy to look up if a customer complained or queried the order.

What are the numbers on LEGO bricks?

LEGO bricks are measured and identified by the number of the studs they have on top. The smaller number always comes first, so you say “a 2-by-4 brick,” not “a 4-by-2 brick.” The width of a 1×1 LEGO brick is the Fundamental LEGO Unit, or module (1 module or 1M is about 8 mm).

How do you read LEGO numbers?

Check for visible part numbers

Look for a 4 or 5 digit part ID on the element. These are usually printed on the inside. A magnifying glass and good lighting can be helpful. Many bricks will also have other numbers printed on them, but only the 4 or 5 digit numbers are useful for identifying parts.

Are Legos numbered?

LEGO has always numbered its sets, but the way it has done so has never been particularly logical or consistent. Most sets released prior to about 1980 had 3-digit numbers, then 4-digits were used for the majority of sets released before 2013. …

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Are old bricks worth money?

Common red brick can be valuable if it’s very old or features an unusual design, but even basic builder’s brick is valuable when it features an unusual color. From light pinks to warm creams, vintage bricks relied on mineral content and careful firing to emerge whole and intact with the desired color and shade.

How can you tell how old a brick is?

Examine the surface of the brick. Old bricks were formed by hand, so look for irregularities in shape. They should be slightly uneven and may contain straw. These older hand-shaped bricks are larger than the bricks made today, although never larger than a hand width.

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