LEGO Ninjago 70721 Kai Fighter

Set 70721, Kai Fighter, represents Kai’s fighter craft in the Ninjago universe. Released in 2014, it belongs to the Ninjago theme and contains 196 pieces, with 2 minifigures connected to the Rebooted storyline.

The model depicts a personal craft for Kai and belongs to the Rebooted phase of Ninjago, where the theme used a more technological setting. Set 70721 is therefore best understood as an action vehicle rather than a location based model, with its focus placed on movement and confrontation.

The build is centered on shaping the fighter and placing the characters into a clear conflict. Since the set is not built around a large scene, its main content is the vehicle itself, the paired figures, and their narrative opposition.

It suits Ninjago collectors who want a compact representation of Kai from the Rebooted period, as well as builders looking for a small vehicle to display alongside related sets. Within the theme, it fits naturally with other models from the same story phase, especially those featuring ninja vehicles and nindroid adversaries.

Inventory of set 70721

The inventory of set 70721 lists 196 pieces, spare parts excluded: 90 different lots (one shape in one color) for 84 part shapes. The box also contains 4 spare parts, for small elements that are easy to lose.

Colors of set 70721

Main color: red, making up 40% of the parts, followed by black (28%) and pearl gold (8.2%).

Part types

Most common parts in set 70721

72 of the 84 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 70721

One part shape in set 70721 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.

No similarly sized set supplies more than a quarter of its parts: set 70721 relies on a little-shared assortment.

Size of set 70721 within its line

With 196 pieces, set 70721 ranks #228 out of 396 Ninjago sets in our database, which have an average of 470 parts. Among the 478 sets released in 2014, it ranks #176. That is less than half the average Ninjago set size.