LEGO 6091 King Leo's Castle

Released 2000 · 539 pieces · 8 minifigures · Castle · Knights Kingdom I

LEGO King Leo's Castle (6091) was released in 2000 in the Castle · Knights Kingdom I line, with 539 pieces and 8 minifigures. By piece count it sits in the top 9% of Castle sets. It was one of 19 Castle sets released that year (see them all). Released in 2000, 26 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: $146 (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 Castle sets by piece count
• 27¢ per piece, cheaper per piece than most Castle sets
• 8 minifigures, a lot for one set

Minifigures: King Leo (Knights Kingdom I) - Lion Shield, Crown, Skeleton, Standard Face, Ball Joint Arms (3626b Head), Maiden (Knights Kingdom I) - Black Cone Hat, Knight (Knights Kingdom I) - Cedric the Bull, Black Helmet, Horn, Knight (Knights Kingdom I) - Gilbert the Bad, Black Helmet, Archer (Knights Kingdom I) - Leather on Legs, Knight (Knights Kingdom I) - Princess Storm, Knight (Knights Kingdom I) - Plate on Legs

More from 2000

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.