An animal exercise device and animal exercise apparatus provide a beam of collimated light whose impingement on a surface can be chased by a cat for beneficial. The animal exercise device can be mounted upon an elongated wand to form the animal exercise apparatus. The animal exercise device includes a strap that is extendable around the wand or another device, and this enables the illuminated animal exercise device to be mounted to the wand or such other device to enable the impingement of the collimated light to be moved to interest and exercise the cat
