LEGO 145 Building Set

Released 1974 · 412 pieces · Universal Building Set

LEGO Building Set (145) was released in 1974 as part of the Universal Building Set theme, with 412 pieces. By piece count it sits in the top 13% of Universal Building Set sets. It was one of 7 Universal Building Set sets released that year (see them all). Released in 1974, 52 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: $162 (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.

• 39¢ per piece, about typical for Universal Building Set

More from 1974

Other versions of this model

• Building Set (135), 1973, 338 pieces · compare

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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