In the video, a baby is lying on the floor while a person is holding a light stick and moving it around in front of the baby. The baby is wearing a green shirt and is looking at the light stick with interest. The person is moving the light stick back and forth, and the baby is reaching out to touch it. The light stick is emitting a bright light, and the baby seems to be enjoying the experience. The person continues to move the light stick around, and the baby follows the movement with its eyes and hands. The baby's reactions suggest that it is having a good time.