Bandai Shuriken Sentai Ninninger Henshin Shinobigatana Ninja Ichiban Gatana Age: 3 years old or more Battery type: Alkaline AAA batteries: 2 (sold separately), LR44 battery: three (included) Age: 3 years old or more Made with high quality materials The perfect collectible but child-resistant and ideally suited to endless hours of creative play.