In the video, a small gray hamster is seen in a cage with wood shavings on the floor. The hamster is climbing on top of a wooden structure that resembles a house. The structure has a small entrance and is made of light-colored wood. The hamster moves around the structure, climbing up and down the sides, and exploring the area. The cage appears to be well-maintained and clean. The hamster is active and curious, and its movements are quick and agile.