Feature: 1. 3 Kinds Of Magnifications: Focus rotating wheel, adjustable up and down.Rotate converter to adjust magnification, magnification can be 100x, 200x, 450x. 2. Angle Adjustment: Rotatable reflector, cooperate better to complete the experiment. 60° viewing angle can be adjusted, flexible for use. 3. Wonderful Gift: Stage and slide holder are matched to fix slide, suitable for observing plant cells, etc. Perfect birthday gift for kids, they will like it. 4. Applicable Age: Exquisite craftsmanship, reasonable structure design, easy to operate. Suitable for children aged 8+, suitable for home, school and other places. 5. Educational Purpose: A set of tools are available for use, meet your different needs. Develop children's observation skills and curiosity about things. Specification: Item Type: Children Microscope Material: ABS Plastic Microscope Size: Approx. 20.5 x 11 x 7cm / 8.1 x 4.3 x 2.8in (±1-2cm) Battery type: 2 x AA Batteries 1.5V (Not Included) Suitable Age: 8 Years Old +. Package List: 1 x Microscope1 x Sample Slide Storage Box1 x Collection Box2 x Collection Bottle1 x Tweezers Note: Please allow 1‑2cm error due to manual measurement. Thanks for your understanding.