In the video, a child is seen playing with a toy train set. The child is holding a red toy train engine and placing it on a green toy train car. The child then proceeds to attach a black toy train engine to the green car. The child appears to be having fun and is focused on playing with the toy train set. The toy train set seems to be well-designed, with bright colors and sturdy parts. The child's actions suggest that they are enjoying the process of assembling and playing with the toy train set. Overall, the video captures a playful and engaging moment of a child interacting with a toy train set.