A ladder in your bird`s cage provides a different kind of play compared to toys for chewing and preening. Use it as a way for your bird to climb up to a perch from the floor of their cage or from one perch to another. You can even create a platform / bridge for your bird to play on or hang it from the roof bars so they can use it like a swing.
Tie on materials such as cotton, sisal, leather for your bird to pull and preen, or even use them to attach some wood block to chew, turning your bird's seven step pedicure ladder into a fun play area.
Using this ladder as suggested or any other fun way you can think of promotes exercise, plus each of the 7 rungs have a rough coating covering them, which helps to look after their feet as they play.