This handheld field microscope designed for kids offers 40x magnification and is equipped with LED illumination for brighter close-up viewing. Rotate the view cylinder to adjust focus. Includes a lanyard for on-the-go discoveries, outdoor or indoor. Child-size science instrument requires 3 AG13/LR44 batteries, included. 6.3” high / 16cm high. 7 years+ Benefits: • Encourages exploration and scientific observation. • Allows you to go to the object instead of bringing the object to you. • Improves focus and concentration. • Sharpens hand-eye coordination. • Nurtures interest in science.