Kai's Dragon Mech Battle Pack

Official assembled-model image; assembly required.

LEGO Kai's Dragon Mech Battle Pack (71851) is a 85-piece building set for ages 6+. The dragon mech has posable legs, wings and claw hands, a rotating upper body and a minifigure cockpit. Kai, Sora and an Earth Monster are included with swords and claw accessories.

Release schedule: 2026 (year-level launch inferred from two official manufacturer sources)

Official manufacturer product promotional image of the model; not current inventory or a boxed-stock photograph.

Specifications

• Set number: 71851
• Pieces: 85
• Age recommendation: 6+
• Product line: NINJAGO®
• Design features: The dragon mech has posable legs, wings and claw hands, a rotating upper body and a minifigure cockpit; Kai, Sora and an Earth Monster are included with swords and claw accessories
• Dimensions: Dragon mech: over 9 cm high.
• Retail format: Brick building set
• Retail units: 1
• Release market: Manufacturer catalog year; exact launch day and region unconfirmed