In the video, a young boy is dressed in a blue mouse costume and is dancing and singing. He is standing in front of a colorful background that resembles a cartoon. The boy is wearing a purple hat and has a big smile on his face. He is moving his arms and legs around while singing and appears to be having a lot of fun. The background is bright and colorful, with different shapes and patterns. The boy's costume is detailed, with ears and a tail, and he seems to be enjoying himself.