The Gigwi Lets Fly Series Is Designed For Maximum Outdoor Activity And Chasing Fun Through Their Body Squeakers Which Can Attract The Dogs Attention And Can Fly Just Like Normal Frisbees. LetS Fly Series Is Designed For Maximum Outdoor Activity And Chasing Fun. Both Squirrel And Duck Have Body Squeakers For Attracting DogS Attention And Can Fly Like A Normal Frisbee.