In the video, a man is seen sitting at a table with a box of blue marbles in front of him. He is holding a blue battery in his hand and appears to be talking about it. The man then proceeds to demonstrate how to insert the battery into the marbles. He carefully places the battery into the marbles and shows the viewers how to do it. The video seems to be a tutorial or demonstration of some sort, possibly related to electronics or science. The man's actions are deliberate and precise, indicating that he is knowledgeable about the subject matter. The video is shot in a well-lit room, and the man is wearing a casual shirt. There are no other objects or people visible in the video.