The LEGO NINJAGO Kai's Dragon Mech Battle Pack (71851) is a building set designed for children aged 6 and up, inspired by the NINJAGO Dragons Rising TV show. It offers hours of imaginative play with a detailed dragon mech and accompanying minifigures.

• Features a dragon mech toy with posable legs, large wings, and claw hands.
• The mech's upper body rotates 360 degrees.
• Includes a cockpit for a minifigure.
• Comes with 3 minifigures: Kai (with 2 sword accessories), Sora (with 2 swords), and an Earth Monster toy (with claw hands).
• Allows kids to act out scenes from season 4 of NINJAGO Dragons.