- This article is about the original set. You may be looking for the Legacy remake.
70721 Kai Fighter is a LEGO Ninjago: Masters of Spinjitzu – Rebooted set released on December 1, 2013. It includes Techno Kai, General Cryptor, a laser bazooka, the Red Techno-Blade, and the Kai Fighter, a red and gold jet.
Kai has taken over a civilian vehicle and used his Techno-Blade to turn it into an awesome red and gold Ninja Fighter! Take off and weave between the skyscrapers of New Ninjago City with Kai in the cockpit. Shoot the gold-tipped flick missiles into the path of the evil General Cryptor and evade blasts from his ground-to-air laser rocket launcher. Defeat General Cryptor then flip the wings back to engage speed mode and zoom away. Includes 2 minifigures with weapons and an accessory: Kai and General Cryptor.
- Includes 2 minifigures with weapons and an accessory: Kai and General Cryptor with armor
- Features 2 gold-tipped flick missiles, speed mode adjustable wings, wing blades, 2 powerful side jet engines and cockpit with space for a minifigure
- Weapons include exclusive translucent red Techno-Blade, 2 swords and laser rocket launcher
- Also includes special armor for General Cryptor
- Fire the gold-tipped flick missiles
- Flip the wings into speed mode to accelerate away from Nindroid attacks
- Grab the red Techno-Blade from General Cryptor and save New Ninjago City
- Measures over 4” (12cm) high, 10” (26cm) long and 13” (34cm) wide
- It was called Kai's Fighter in the promotionl video.
- It was remade for Legacy in 2020, as 71704 Kai Fighter.
- It can be combined with set 60061 Airport Fire Truck from LEGO City to build a larger build, the Thermo-Bolt Fire Flyer.
- This is the cheapest way to get the General Cryptor minifigure.
- That is the first set with Kai's jet, the others being 71704 Kai Fighter and 71707 Kai's Mech Jet.