This video captures a small, brown mouse with a long tail moving around in a cage filled with wood shavings. The mouse is seen climbing in and out of a cardboard tube, which is also covered in wood shavings. The mouse's fur is a mix of dark and light brown, and it has a small, pointed snout. The cage appears to be indoors, with a white object in the background. The video is shot in close-up, focusing on the mouse's movements and actions.