The video shows a colorful animated train with a yellow face and green hat moving along a track. As the train moves, it passes by different letters of the alphabet, each with a face and limbs. The letters are in various colors and are shown in a playful manner, interacting with the train. The background is bright and cheerful, with a clear blue sky and green trees. The train and letters are the main focus of the video, with no other objects or characters present.