LEGO 6783 Sonar Transmitting Cruiser

Released 1986 · 348 pieces · 3 minifigures · Space · Classic Space

LEGO Sonar Transmitting Cruiser (6783) was released in 1986 in the Space · Classic Space line, with 348 pieces and 3 minifigures. By piece count it sits in the top 13% of Space sets. It was one of 16 Space sets released that year (see them all). Released in 1986, 40 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: $124 (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.

• 36¢ per piece, about typical for Space

Minifigures: Classic Spaceman, Yellow with Airtanks (3842b Helmet), Classic Spaceman, Red with Airtanks (3842b Helmet), Classic Space Droid - Blue, Round Base

More from 1986

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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