Only used a few times Smoke free home 🚭 Perfect for exploring the hidden details of the world around you with prepared slides and included samples, the microscope has three magnification powers. Compound microscope has a zoom eyepiece and rotating turret of 3 objective lenses 900X maximum magnification level Includes: Microscope Lab kit with prepared slides, blank slides, tools, vials, and included samples Experiment booklet Requires 2 AA batteries Measures 5.25" L x 3" W x 9.5" H