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LEGO Nexo Knights 70321 General Magmar's Siege Machine of Doom

2016516 pieces3 minifigures

LEGO 70321 General Magmar's Siege Machine of Doom

Specifications

Set number70321
Release year2016
Piece count516
Minifigures3
ThemeNexo Knights
Building instructionsDownload the instructions on lego.com

Where to buy set 70321

Also on: Amazon.co.uk · Amazon.ca

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LEGO set 70321, “General Magmar's Siege Machine of Doom”, belongs to the Nexo Knights theme and was released in 2016. With 516 pieces, it depicts a siege machine associated with General Magmar and includes key characters for the theme’s conflict.

The model represents an enemy siege machine in the Nexo Knights universe, a theme built around knights, fantasy vehicles and fire related opponents. The set name places General Magmar at the centre of the scene, with Clay Moorington providing the knightly opposition.

The set contains 516 pieces and 3 minifigures: Flama, General Magmar and Clay Moorington with Rounded Shoulder Armor.

It suits action play, themed display and collecting within Nexo Knights. Among sets from the same theme, it is best understood as an enemy vehicle tied to Magmar’s side, useful for expanding battles involving the knights and their opponents.

Inventory of set 70321

The inventory of set 70321 lists 516 pieces, spare parts excluded: 168 different lots (one shape in one color) for 154 part shapes. The box also contains 23 spare parts, for small elements that are easy to lose.

Colors of set 70321

Main color: black, making up 29% of the parts, followed by dark brown (11%) and dark bluish gray (11%).

ColorPartsShare
Black14829%
Dark Brown5911%
Dark Bluish Gray5511%
Light Bluish Gray519.9%
Red417.9%
Pearl Gold387.4%
Blue275.2%
Trans-Orange183.5%
Reddish Brown183.5%
Flat Silver112.1%
Other colors (12)499.5%

Part types

TypePartsShare
Technic Pins7715%
Plates Special5711%
Plates519.9%
Bricks Sloped397.6%
Technic Beams305.8%
Technic Bricks234.5%

Most common parts in set 70321

120 of the 154 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 70321

5 part shapes in set 70321 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. Counting colors, 7 lots in the set are not found in any other set.

PartColor
Tile Special 2 x 3 Pentagonal with Nexo Power Shield Print - Giant Growth 22385pr0046Trans-Neon Orange
Sticker Sheet for Set 70321-1 25470
Torso Bare Chest with Dark Red Spots and Yellow and Orange Lava Lines Print, Red Arms, Orange Hands 973c22h34pr3253Red
Torso Muscles with Black Spots, and Black Belt with Jester Head Buckle Print, Red Arms, Dark Red Hands 973c22h10pr3192Red
Minifig Head Flama, Dark Red, Yellow and Orange Eyes, Wide Mouth, Dark Red Spots, Flames on Back Print [Hollow Stud] 3626cpr1855Red

Rebuilding set 70321 from another set

Share of the parts of set 70321 found in each of these similarly sized sets, counting shape, colour and quantity:

SetFoundPartsRelease year
70323 Jestro's Volcano Lair30%1,1862016

No similarly sized set goes above 30%: the model relies on a little-shared assortment, most of which has to be gathered piece by piece.

Size of set 70321 within its line

With 516 pieces, set 70321 ranks #13 out of 69 Nexo Knights sets in our database, which have an average of 261 parts. Among the 459 sets released in 2016, it ranks #87.

Included minifigures

Frequently asked questions

How many pieces does LEGO set 70321 General Magmar's Siege Machine of Doom have?

LEGO set 70321 General Magmar's Siege Machine of Doom has 516 pieces. It was released in 2016 as part of the Nexo Knights theme.

What year was LEGO set 70321 released?

Set 70321 General Magmar's Siege Machine of Doom was released in 2016 and belongs to the Nexo Knights theme.

Which minifigures are included in set 70321?

Number of minifigures in LEGO set 70321 General Magmar's Siege Machine of Doom: 3. Their names and quantities are listed in the “Included minifigures” section.

Where can I find the building instructions for set 70321?

The instructions for LEGO set 70321 General Magmar's Siege Machine of Doom can be downloaded free as a PDF from the official lego.com website, under “Building Instructions”, by entering the number 70321.

What is the main color of LEGO set 70321?

Black, with 148 out of 516 pieces, or 29%. Next come dark brown (11%) and dark bluish gray (11%).

How many different parts does set 70321 contain?

Set 70321 has 168 different lots (one shape in one color), covering 154 part shapes. Most common part: Technic Pin with Friction Ridges Lengthwise and Center Slots in black, with 30 copies.

Does LEGO set 70321 contain any exclusive parts?

Yes: 5 part shapes exist in no other set, for example: Tile Special 2 x 3 Pentagonal with Nexo Power Shield Print - Giant Growth.

Which similarly sized set contains the most parts from set 70321?

Set 70323 Jestro's Volcano Lair, released in 2016: it supplies 30%, counting shapes, colors and quantities.

Which minifigures are included in LEGO 70321?

The set includes Flama, General Magmar and Clay Moorington with Rounded Shoulder Armor. This lineup pairs Magmar’s side with a Nexo Knights hero.

Is the main model a building or a vehicle?

The main subject is a siege machine, so it is an attack vehicle rather than a fixed building. The set name directly links it to General Magmar.

Set number70321
Release year2016
ThemeNexo Knights
Piece count516
Minifigures3
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-30