Avi One Bird Toys and Accessories are designed to keep your avian pet entertained while helping to relieve possible destructive boredom. Create different activities for your bird by introducing a variety of toys and accessories such as bells, mirrors, ladders and swinging perches. Features and Benefits: Size: 24.5cm Perches are designed to help exercise and reduce foot muscle stress. Natural perches easily attach to the cage with a sturdy bolt. Bird swings encourage exercise and can assist with balance and coordination development. Durable bird safe construction.