The handheld magnifying glass is compact and easy to carry, making it suitable for outdoor exploration, travel, or daily observation. By holding a magnifying glass, we can clearly observe microscopic details such as insect wing texture and plant cell structure. As a simple and powerful tool, magnifying glasses play an important role in various fields. Through it, we can observe the microscopic world that is difficult for the naked eye to perceive, thereby expanding our horizons and cognition.