70615 Fire Mech was a 944 piece The LEGO Ninjago Movie set with 6 minifigs released in 2017. It was retired in December 2018 with a lifespan of 16 months. 
 
Get set for sizzling battle action with this huge and highly posable THE LEGO® NINJAGO® MOVIE™ mech. The Fire Mech features an opening minifigure cockpit, 2 shoulder disc shooters and 2 arms with non-shooting fire blasters. Includes 6 minifigures with assorted weapons—including Kai’s katanas and Zane’s bow and arrow—to offer even more thrilling role-play possibilities.
 
Build your own Fire Mech, complete with opening minifigure cockpit, posable arms and legs, two non-shooting fire blasters with translucent fire-style elements, two shoulder disc shooters and more!
 
Featured in THE LEGO® NINJAGO® MOVIE.
 
Includes 6 minifigures: Kai, Zane, Lauren, Henry, Hammer Head and Jelly.
 
LEGO NINJAGO brick building toys are compatible with all other LEGO construction sets for creative building.
 
Fire Mech measures over 14” high, 4” long and 8” wide.