In the video, a young child is seen playing with a toy train set. The child is holding a green train car and placing it onto a track. The track is already set up with other train cars, including a red one and a yellow one. The child is focused on the task at hand, carefully aligning the green train car with the track. The background of the video shows a play area with various toys and a sign that reads "Sports for Children 3 and Under." The child appears to be enjoying the activity, and the play area seems to be designed for young children to have fun and engage in physical activity.