Our Nancy B line of scientific tools and real-life journaling activities provide hands-on science experiences that get kids comfortable and excited about science, giving them the confidence to pursue science further in school and in life. Scientific experiences designed for kids ages 8 to 11 years. Microscope and Activity Journal includes 40+ piece dual microscope (2 LEDs transform the dissecting microscope into a light microscope) with magnification from 30x to 400x and twenty-two-page journal including activities and space for drawings, such as examining cells, looking at crystals, observing bugs and viewing critters in water. Requires 3AAA batteries. Small Parts. Not for children under 3 years. Learning Skill: Science Power Source: Battery (not Included) Measurements: 4.3 Height/Inches, 9.2 Length/Inches, 8.7 Depth/Inches Base Material: 100% Plastic Battery Size: Aaa Care: Wipe Clean Country of Origin: Imported