In the video, a small hamster is seen running through a grey plastic tunnel. The tunnel is placed on a bed of wood shavings and the hamster is moving quickly through it. The hamster is brown and white in color and appears to be enjoying its run. The tunnel is cylindrical in shape and has a smooth surface. The hamster's fur is fluffy and it moves with agility and speed. The wood shavings are light brown and are scattered around the tunnel, providing a soft bed for the hamster to run on. The video captures the hamster's playful and energetic behavior as it moves through the tunnel.