Fun, colourful, and engaging, Sphere is a transparent plastic exercise ball designed for hamsters. It guarantees endless fun for both children and their hyperactive little pets. When used as a standalone rolling ball, it keeps your hamster entertained and active. Alternatively, by attaching it to the base and connecting it through the holes with the Kit Sphere, you can integrate it with Yo-Yo Plus cage. This creates the perfect extended habitat where your hamster can play, rest, and hide. Sphere is the ultimate accessory to enrich your pet’s environment while providing interactive fun for the whole family.