Once upon a time, there was a little engineer named Alex. They loved building things, like bridges and towers. Alex always dreamed of making something amazing.

One day, Alex got an important job. They had to build a train track that went up a big mountain. It was a tough task, but Alex didn't give up.

As Alex worked, they faced many challenges. The ground was rocky, and the weather was stormy. But Alex used their knowledge and creativity, and each challenge made them stronger.

With determination and perseverance, Alex overcame every obstacle. Finally, the train track was complete! The train could now climb the mountain and take people on amazing adventures.

Everyone was amazed by Alex's hard work. They realized that no matter how small you are, you can achieve big things if you believe in yourself.