LEGO Ninjago, masters of Spinjitzu. Kai : ninja of fire (LEGO Ninjago Masters of Spinjitzu )
Summary
Masters of Spinjitzu: a new force to save the world! Will Kai be the greatest warrior ever known? Maybe, if he ever listens to Sensei Wu long enough to complete his training! He's stubborn, he's reckless, and he might just save the world. Full description