/
Kai Fighter
LEGO® NINJAGO Kai Fighter 70721 (1/1)
LEGO® NINJAGO Kai Fighter 70721 (1/1)

Lego® NINJAGO 70721 Kai Fighter

NINJAGO
The Lego set Kai Fighter with the Lego number 70721 is part of the LEGO NINJAGO theme and is recommended for ages 8 - 14. The set was released in 2014. It contains 2 minifigures. The model consists of a total of 196 parts and we estimate it takes you around < 1 hour to build it. 40 Brickfact users have this set in their collection.
The set weighs around 0.350 kg in total. The packaging dimensions are 10.3 x 7.5 x 2.4 inch( 26.2 x 19.1 x 6.1 cm). The recommended retail price is £17.99.
The Part-Out-Value (POV) is the sum of all part prices paid on bricklink.com for this set. It is about £41.75.

Lego 70721 product data

Set Information

Set ID
70721
Theme
Pieces
196
Building Time
< 1 hour
Age Range
8 - 14

Availability

Release
2014
Retiring Status
Retired

Price Information

RRP
£17.99
Insiders Points (for purchase at Lego)
144
Part Out Value
£41.75
i

Packaging

Weight
0.350 kg
Packaging dimensions
10.3 x 7.5 x 2.4 in
EAN (GTIN13)
5702015121064

Popularity with Brickfact users

users have this set
40
buyers in the last 12 months
11

40 Brickfact users have Kai Fighter in their collection. 11 users bought it in the last 12 months.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of 14 October 2026.

Lego 70721 price trend

Average sale price on secondary marketplaces – not the new price at retailers.

Current market value
£51.44
Growth vs. RRP
+186 % £17.99
Range
£51.30 – £51.70
Average
£51.45

Loading price history…

Minifigures from 70721 Kai Fighter

The Kai Fighter set includes 2 different minifigures, 0 of which are unique to this set. The combined value of the minifigures is £17.41, which is ~97% of the RRP of this set.
x1
Thumbnail of minifigure njo091
Kai
NINJAGO
time-logo
2014
#njo091
£3.61
i
2 sets
x1
Thumbnail of minifigure njo092
General Cryptor
NINJAGO
time-logo
2014
#njo092
£13.80
3 sets

Building Instruction for LEGO 70721 Kai Fighter

Disclaimer
LEGO® is a trademark of the LEGO Group, but this website is not sponsored, authorized or endorsed by them.
As an Amazon partner, we earn money on qualified sales that you make through links to Amazon on our website. The price for you remains the same, but you support this project ❤️ .
© 2026 Brickfact. All Rights Reserved
Facebook LogoInstagram LogoTelegram Logo