This fun and versatile foraging ball is aprox 12cm diameter and made from tough polycarbonate.
Fill it with shreddable foraging items or fresh food and either allow you bird or small animal to forage on the cage floor or thread it onto a stainless stell pet safe skewer (sold seperately) to hang in the cage, increase the challange for birds my making them climb and/or hang to reach the ball.
 
Suitable for medium to large birds and some small animals.