Learning Resources GeoSafari Jr. My First Microscope. A fully functional microscope designed for little hands! Two large eye pieces eliminate the need for a child to close one eye when viewing through the microscope. A focus adjuster enables simple focusing to ensure objects appear the right way up and are left-right corrected. Featured LED light allows for enhanced viewing of small details. Measure 18cm W x 21cm H. Requires 3 AAA batteries (not included). Suitable for ages 3+ not suitable for children under 36 months - choking hazard.