Amazon.com: Disguise Kai Deluxe Ninjago Lego Costume, Medium/7-8 : Toys & Games
Amazon.com: Disguise Kai Lego Ninjago Movie Prestige Costume, Red, Small (4-6) : Clothing, Shoes & Jewelry
Lloyd Costume for Kids, Deluxe LEGO Ninjago Legacy Themed Children's Character Outfit, Child Size Medium (7-8) : Amazon.ca: Toys & Games
DISGUISE Unisex Kid's Lego Official Red Kai Ninjago Costume : Amazon.co.uk: Toys & Games
Amazon.com: Spooktacular Creations Blue Ninja Costume for Kids, Deluxe Ninja Costume for Boys, Halloween Ninja Costume Dress Up (Blue, Small(5-7yrs)) : Toys & Games
Amazon.com: Rubie's Child's Charades Ninja Avenger Series II Costume, White, X-Large : Clothing, Shoes & Jewelry
Amazon.com: Kai Costume for Kids, Classic Lego Ninjago Legacy Themed Children's Character Jumpsuit, Child Size Small (4-6) : Clothing, Shoes & Jewelry