Cal 'c' Yum Cube contains essential calcium and natural materials. It provides a great source of enrichment for small animals and helps to prevent boredom. This Sharples and Grant small animal toy is a great addition to any small animal cage. A great natural selction for your pet, it will help their teeth as well as their emotional enrichment. Also features 4 small wooden shapes for your small animal pet to have a nibble and chew on.