Setobrick

LEGO Castle 6090 Royal Knight's Castle

1995763 pieces8 minifigures

LEGO 6090 Royal Knight's Castle

Specifications

Set number6090
Release year1995
Piece count763
Minifigures8
ThemeCastle
SubthemeRoyal Knights
Building instructionsDownload the instructions on lego.com

Where to buy set 6090

Also on: Amazon.co.uk · Amazon.ca

Price and availability are provided by partner stores and may change at any time.

Affiliate links: this site may earn a commission, at no extra cost to you.

Set 6090, Royal Knight's Castle, depicts a fortress for the Royal Knights faction within the Castle theme. Released in 1995, it contains 763 parts and 8 minifigures, covering royal, military and ghostly roles in a medieval setting.

Royal Knight's Castle belongs to the Royal Knights subtheme of Castle. The model represents a medieval stronghold for a royal faction, giving the king, knights and archer a central base while also leaving room for darker story elements through the skeleton and ghost figures.

This gives the model a broad cast for castle defence, command and atmospheric scenes.

It suits play, display and collecting within the Castle theme.

Inventory of set 6090

The inventory of set 6090 lists 763 pieces, spare parts excluded: 215 different lots (one shape in one color) for 165 part shapes. The box also contains 9 spare parts, for small elements that are easy to lose.

Colors of set 6090

Main color: light gray, making up 45% of the parts, followed by black (31%) and dark gray (5.1%).

ColorPartsShare
Light Gray34245%
Black23631%
Dark Gray395.1%
White364.7%
Blue324.2%
Brown293.8%
Red253.3%
Yellow101.3%
Trans-Yellow81%
Trans-Red20.3%
Other colors (4)40.5%

Part types

TypePartsShare
Bricks20327%
Plates12817%
Bricks Sloped628.1%
Bricks Curved506.6%
Minifig Shields, Weapons, & Tools466%
Bricks Special455.9%

Most common parts in set 6090

PartColorQuantity
Brick 1 x 2 3004Light Gray33
Brick 1 x 1 3005Light Gray30
Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] 3660Dark Gray25
Brick 1 x 2 3004Black22
Brick 1 x 1 3005Black19
Brick 1 x 3 3622Light Gray17
Brick Special Octagonal 2 x 2 x 3 1/3 6037Light Gray15
Antenna 1 x 4 with Rounded Top 3957aBlack14
Brick 2 x 2 Corner 2357Light Gray13
Plate 1 x 2 3023Light Gray12

124 of the 165 part shapes in this set have their own page on Setopedia, with their colors, element numbers and the other sets that use them. See all LEGO parts

Exclusive parts in set 6090

4 part shapes in set 6090 appear in no other set in the catalog, most often printed elements, stickers or molds specific to the model. If one gets lost, you will need to look for it individually, for example on BrickLink, rather than in another set.

PartColor
Neckwear Cape, Round Lobes with Royal Knights Lion Head Print upn0243pr0001White
Flag 8 x 5 Wave with Royal Knights Lion Head on Red/White 72534pr0006White
Animal / Creature Accessory, Horse Barding with Lion Head (Royal Knights) Print 2490pr0009Red
Baseplate Raised 32 x 48 with Ramp, Large Pit, and Stairs and Stones Print 6261pr0001Green

Rebuilding set 6090 from another set

Share of the parts of set 6090 found in each of these similarly sized sets, counting shape, colour and quantity:

SetFoundPartsRelease year
5571 Giant Truck37%1,7461996
6097 Night Lord's Castle30%6071997
6079 Dark Forest Fortress29%4691996
10129 Rebel Snowspeeder28%1,4572003
10039 Black Falcon's Fortress26%4302002

No similarly sized set goes above 37%: the model relies on a little-shared assortment, most of which has to be gathered piece by piece.

Size of set 6090 within its line

With 763 pieces, set 6090 ranks #10 out of 118 Castle sets in our database, which have an average of 266 parts. Among the 110 sets released in 1995, it ranks #5. That is 2.9 times the average Castle set size.

Included minifigures

Frequently asked questions

How many pieces does LEGO set 6090 Royal Knight's Castle have?

LEGO set 6090 Royal Knight's Castle has 763 pieces. It was released in 1995 as part of the Castle theme.

What year was LEGO set 6090 released?

Set 6090 Royal Knight's Castle was released in 1995 and belongs to the Castle theme.

Which minifigures are included in set 6090?

Number of minifigures in LEGO set 6090 Royal Knight's Castle: 8. Their names and quantities are listed in the “Included minifigures” section.

Where can I find the building instructions for set 6090?

The instructions for LEGO set 6090 Royal Knight's Castle can be downloaded free as a PDF from the official lego.com website, under “Building Instructions”, by entering the number 6090.

What is the main color of LEGO set 6090?

Light gray, with 342 out of 763 pieces, or 45%. Next come black (31%) and dark gray (5.1%).

How many different parts does set 6090 contain?

Set 6090 has 215 different lots (one shape in one color), covering 165 part shapes. Most common part: Brick 1 x 2 in light gray, with 33 copies.

Does LEGO set 6090 contain any exclusive parts?

Yes: 4 part shapes exist in no other set, for example: Neckwear Cape, Round Lobes with Royal Knights Lion Head Print.

Which similarly sized set contains the most parts from set 6090?

Set 5571 Giant Truck, released in 1996: it supplies 37%, counting shapes, colors and quantities.

Set number6090
Release year1995
ThemeCastle
Piece count763
Minifigures8
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-30