LEGO 525 Basic Building Set

Released 1990 · 185 pieces · 1 minifigure · Universal Building Set · Basic

LEGO Basic Building Set (525) was released in 1990 in the Universal Building Set · Basic line, with 185 pieces and 1 minifigure. It was one of 22 Universal Building Set sets released that year (see them all). Released in 1990, 36 years ago, well past the two-to-three-year run most LEGO sets get, so it is almost certainly out of production.

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• Estimated value: $64 (modelled from piece count, era, and age, not live market data)

Availability: Likely retired (inferred from its release year, not an official retirement date)

Full details, the price breakdown, and the minifigures included are below. Add it to your collection to track what it's worth.

• 35¢ per piece, cheaper per piece than most Universal Building Set sets

Minifigures: Man - Black Torso, Blue Pants, Black hair

More from 1990

Set data from the Rebrickable database, refreshed daily. Catalog data as of 2026-09-01. Values are this site's estimates, see how they're calculated.

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