LEGO 49901 Extension Assortment for LEGO Composing Set 9550

Released 1990 · 121 pieces · Educational and Dacta · Learning

LEGO Extension Assortment for LEGO Composing Set 9550 (49901) was released in 1990 in the Educational and Dacta · Learning line, with 121 pieces. It was one of 9 Educational and Dacta 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: $44 (modelled from piece count, era, and age, not live market data)

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

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• 36¢ per piece, about typical for Educational and Dacta

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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