Features: Cultivate children\'s interest in exploration, enjoy the micro world, and increase children\'s interest and knowledge of science. The observation angle can be adjusted to protects the child\'s spines and cultivate observation and concentration. Multiple multiples can be switched, 100X / 400X / 1200X, to meet the needs of primary and secondary school students. LED light source can be turned on if there is insufficient light, and the light source can be adjusted by using LED light source. Integrated adjustment, easy to adjust focal length, convenient and quick operation. Supporting some tools, collection bottles, collection boxes, etc., perfect and practical. It can increase parent-child interaction, help parent-child emotional accumulation and strengthen communication.