It's a small model parakeet bird toy that is attached to a counterweight base. When your parakeet lands on the perch, this bird sits right next to him or her. As your pet plays with it, it gently rocks back and forth. This will be a new best friend for your bird!
Sm Play Bird-Penn Plax dimensions: 4.5" height, fits most small diameter perches (Recommended for small sized birds)