These Secret Agent Costumes for kids will delight your little sleuth to no end! Whether he or she is into fingerprinting, private investigation, or spying, a Secret Agent Costume will be a bit hit on Halloween and at dress-up. Choose one of these kids FBI Costumes and your tot will enjoy sleuthing for hours on end. If they prefer Disney-style detective work, choose a Kim Possible costume. For solvers and clue-finders, a Kids Secret Agent Costume is the way to go!