LEGO 9790 ROBOLAB Team Challenge Set (Serial)

Released 1999 · 727 pieces · Educational and Dacta · RCX

LEGO ROBOLAB Team Challenge Set (Serial) (9790) was released in 1999 in the Educational and Dacta · RCX line, with 727 pieces. By piece count it sits in the top 6% of Educational and Dacta sets. It was one of 35 Educational and Dacta sets released that year (see them all). Released in 1999, 27 years ago, well past the two-to-three-year run most LEGO sets get, so it is almost certainly out of production.

Add to my collection

• Estimated value: $172 (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.

• Among the biggest 10% of Educational and Dacta sets by piece count
• 24¢ per piece, cheaper per piece than most Educational and Dacta sets

More from 1999

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.

Own this one? Create a free account to track your sets, see what your collection is worth, and build a wishlist others can buy from. No email needed.