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LEGO Ninjago 71704 Kai Fighter

2020513 pieces4 minifigures

LEGO 71704 Kai Fighter

Specifications

Set number71704
Release year2020
Piece count513
Launch retail price$39.99 / £34.99 (Brickset)
Sale periodJune 2020 to December 2021
Minifigures4
ThemeNinjago
Building instructionsDownload the instructions on lego.com

Where to buy set 71704

Also on: Amazon.co.uk · Amazon.ca

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LEGO Ninjago set 71704, Kai Fighter, represents a combat aircraft associated with Kai in the Ninjago universe. Released in 2020, it contains 513 pieces and belongs to the Ninjago root theme.

Kai Fighter is an aircraft focused on Kai, one of the central characters of Ninjago. The set belongs to the Legacy line, which revisits recognizable subjects from the theme and presents them in a form suited to contemporary Ninjago collections.

This set suits Ninjago fans who want a Kai vehicle for play scenes, display, or a focused Legacy collection. Within the theme, it sits naturally beside other ninja vehicles and robotic opponents, especially for collections that emphasize confrontations between the heroes and Nindroid characters.

Inventory of set 71704

The inventory of set 71704 lists 513 pieces, spare parts excluded: 181 different lots (one shape in one color) for 148 part shapes. The box also contains 20 spare parts, for small elements that are easy to lose.

Colors of set 71704

Main color: black, making up 33% of the parts, followed by red (25%) and dark bluish gray (12%).

ColorPartsShare
Black16933%
Red12825%
Dark Bluish Gray6012%
Light Bluish Gray469%
Pearl Gold336.4%
White183.5%
Reddish Brown112.1%
Dark Purple61.2%
Blue61.2%
Trans-Red51%
Other colors (12)305.8%

Part types

TypePartsShare
Plates8216%
Plates Special7414%
Bricks Sloped489.4%
Plates Wedged479.2%
Plates Round Curved and Dishes428.2%
Tiles285.5%

Most common parts in set 71704

134 of the 148 part shapes in this set have their own page on Setobrick, with their colors, element numbers and the other sets that use them. See all LEGO parts

Exclusive parts in set 71704

One part shape in set 71704 appears in no other set in the catalog, most often a printed element, a sticker or a mold specific to the model. If it gets lost, you will need to look for it individually, for example on BrickLink, rather than in another set. Counting colors, 2 lots in the set are not found in any other set.

PartColor
Sticker Sheet for Set 71704-1 67938

Rebuilding set 71704 from another set

Share of the parts of set 71704 found in each of these similarly sized sets, counting shape, colour and quantity:

SetFoundPartsRelease year
76328 Batman: The Classic TV Series Batmobile31%1,8222024
71705 Destiny's Bounty26%1,7832020

No similarly sized set goes above 31%: the model relies on a little-shared assortment, most of which has to be gathered piece by piece.

Size of set 71704 within its line

With 513 pieces, set 71704 ranks #121 out of 396 Ninjago sets in our database, which have an average of 470 parts. Among the 490 sets released in 2020, it ranks #105.

Frequently asked questions

How much was LEGO 71704 at launch?

The launch retail price of 71704 Kai Fighter was $39.99 / £34.99 (source: Brickset). It was on sale from June 2020 to December 2021.

How many pieces does LEGO set 71704 Kai Fighter have?

LEGO set 71704 Kai Fighter has 513 pieces. It was released in 2020 as part of the Ninjago theme.

What year was LEGO set 71704 released?

Set 71704 Kai Fighter was released in 2020 and belongs to the Ninjago theme.

Which minifigures are included in set 71704?

Number of minifigures in LEGO set 71704 Kai Fighter: 4. Their names and quantities are listed in the “Included minifigures” section.

Where can I find the building instructions for set 71704?

The instructions for LEGO set 71704 Kai Fighter can be downloaded free as a PDF from the official lego.com website, under “Building Instructions”, by entering the number 71704.

What is the main color of LEGO set 71704?

Black, with 169 out of 513 pieces, or 33%. Next come red (25%) and dark bluish gray (12%).

How many different parts does set 71704 contain?

Set 71704 has 181 different lots (one shape in one color), covering 148 part shapes. Most common part: Plate Round 1 x 1 with Solid Stud in pearl gold, with 22 copies.

Does LEGO set 71704 contain any exclusive parts?

Yes: one part shape exists in no other set: Sticker Sheet for Set 71704-1.

Which similarly sized set contains the most parts from set 71704?

Set 76328 Batman: The Classic TV Series Batmobile, released in 2024: it supplies 31%, counting shapes, colors and quantities.

Is the main model a location or a vehicle?

The main model is a vehicle, specifically Kai’s jet. It is not built around a fixed base or building.

Set number71704
Release year2020
ThemeNinjago
Piece count513
Minifigures4
SetobrickData: Rebrickable
Spec sheet updated on 2026-09-30