Kai (Rebooted) and Nindroid Warriors
njo091 (Kai), njo083 (Nindroid with Legacy mask) · Ninjago
Rebooted (Season 3) · 2015

Figure ID
njo091 (Kai), njo083 (Nindroid with Legacy mask)
Theme
Ninjago
Year Released
2015
Rarity
Common to Uncommon; these specific versions were widely available in mid-range sets during the peak of Ninjago's popularity.
Head
Kai features a dual-sided face with a determined expression and a battle-scarred wink. He wears a red ninja wrap with a hairpiece on top. Nindroids have a unique metallic robotic head with a single red ocular eye, often combined with a black 'Ninja' hood or a semi-transparent power core.
Torso
Kai: Red gi with gold dragon insignias and tech-integrated printing, back printing includes his 'Fire' symbol. Nindroids: Black and purple robotic plating with circuitry details and mechanical textures.
Legs
Kai: Sand-red or standard red legs with light printing suggesting the wrap of a gi. Nindroids: Solid black legs; some variants include purple highlights or mechanical joint printing.
Accessories
Kai usually carries a Techno-Blade or a standard Katana. Nindroids are typically equipped with circular saw blades, jetpacks, or laser weapons.
Color Scheme
Kai uses Red, Gold, and Black. Nindroids use Black, Purple, and Metallic Silver (Gunmetal Grey) with Red accents.
Printing Details
High-quality pad printing. The Rebooted era introduced more 'tech' details into the ninja's traditional robes, featuring circuit-like patterns and metallic accents.
Variants
The Nindroids come in several variants: generic foot soldiers, Nindroid Warriors with mechanical shoulder armor, and General Cryptor with a unique heavy chest piece.
Condition Notes
Common wear points include the gold printing on Kai's torso rubbing off and stress marks on the Nindroids' thin neck brackets if jetpacks were attached.
Estimated Value
Kai: $4-$7 USD. Nindroids: $3-$6 USD (Used/Complete). The set shown (70727) as a whole sells for $50-$80 USD.
Price (New)
The set pictured (70727 Kai's X-1 Ninja Charger) originally retailed for $39.99 USD in 2015.
Compatible Sets
70727 Kai's X-1 Ninja Charger, 70724 NinjaCopter, 70725 Nindroid MechDragon.
Character Background
Kai is the Master of Fire. During the Rebooted arc, the ninjas face an army of high-tech Nindroids created by the Digital Overlord to steal Lloyd's Golden Power.
Design Notes
This era saw the first departure from traditional 'fantasy' ninja designs into 'sci-fi' ninja designs, utilizing more gunmetal shades and techno-armor.
Similar Minifigures
Stone Warriors, Sky Pirates, Sons of Garmadon Thugs.
Collectibility
Moderate. Kai collectors need this version for a complete 'seasonal' lineup. Nindroids are popular for army building (grouping many together).
History
Rebooted saved the Ninjago theme after its planned cancellation in 2013. These figures represent the era that solidified Ninjago as a permanent LEGO staple.
Interesting Facts
The Nindroids' design was partially inspired by the Borg from Star Trek and the Terminators, reflecting the shift toward a digital/robotic enemy.
Display Suggestions
Display inside the X-1 Ninja Charger vehicle or in a combat diorama utilizing translucent purple elements for the Nindroid base.
Modification Potential
Excellent for cyberpunk-themed MOCs. The Nindroid heads and torsos are frequently used by customizers to build futuristic robots.
Overall Assessment
The Rebooted figures are iconic milestones in the Ninjago timeline. While not the rarest, the X-1 Charger versions are highly desirable for their playability and aesthetic symmetry.