It helps them build interest in astronomy and science, explore the , enjoy nature, and stay away from the screen. The children's astronomy journey starts here! It has multiple functions, it is a gift for children, and cultivate children's astronomy hobbies from an early age Product packaging: Astronomical telescope x1 Clear aperture: 76MM Focal length: 700MM Eyepiece: 20MM, 12.5MM, 4MM material: metal Color as shown notes: We will provide clear pictures and dimensions as much as possible. Please check as much as possible to make sure that the item is what you need. Due to manual measurement, there may be a deviation of 0.5-2.5cm. Due to different computer screens, the color of the actual item may be slightly different from the illustration. Thank you for your understanding. Simple operation: No tools are required, it only takes a few minutes to complete the assembly, which can be easily operated by both beginners and children.