The 1591 pk6 Medium Interstar from Bonka Bird Toys are a classic foot toy that your pet bird is sure to love. The pack comes with (6) brightly colored interstars. The stars themselves are made with sturdy bird safe plastic that is made for grabbing, throwing and shaking! Each of the stars globes has slots that make it super easy for feet and beaks to grab. The stars also can be stuck together using their slots and easily pulled apart. This allows you to link the stars to make creative shapes and design fun adventures for your pet. The middle of the stars have a circular opening that allows you to hang them with rope, string or whatever you like. When hung the stars can be easily spun creating lots of movement and excitement for your pet.