'Ninjas' is a remarkably cool fancy dress theme that's great for birthday parties, Halloween or even World Book Week. Re-create the devious Shinobi look from the movies and popular video games such as Tenchu or Ninja Gaiden. Ninja costumes make a great cosplay idea! Men can sneak into the party dressed in this traditional Black Ninja Costume or Deluxe Sub Zero Ninja Outfit from the Mortal Combat movies and games. Kids will love this Green Warrior Ninja Outfit. If you're creating your own Ninja fancy dress, shop from our range of accessories to perfect the look. We have ninja armour, Katana swords, Shurikens and much more. Now you have your costume, all that's left to do is practice your martial arts!