In the video, there is a small grey mouse inside a cage. The mouse is standing on a wheel with a colorful pattern. The wheel is attached to the cage with metal wires. The mouse is moving around the wheel, exploring its surroundings. The cage appears to be made of metal bars, and there is a red plastic base. The mouse seems to be healthy and active. The video captures the mouse's movements in detail, showcasing its small size and grey fur. The wheel adds an element of playfulness to the mouse's environment, providing it with a source of entertainment and exercise. Overall, the video provides a glimpse into the life of a small rodent in a domestic setting.