The video shows a hamster running on a wheel in a cage. The wheel is green and appears to be made of plastic. The cage is filled with wood shavings and there are several wooden blocks and a water dish inside. The hamster is small and brown, and it runs quickly on the wheel. The wheel is spinning at a fast pace, and the hamster seems to be enjoying its exercise. The cage is well-lit, and the background is a plain white wall.