In the video, a young child is seen holding a large white balloon. The child is standing in front of a toy train set that is placed on a wooden floor. The child then proceeds to place the balloon on the tracks of the toy train set. The balloon is then pushed along the tracks by the toy train. The child watches as the balloon moves along the tracks and eventually falls off the end. The child then picks up the balloon and places it back on the tracks. The video captures the child's curiosity and fascination with the balloon and the toy train set.