Using this LeapFrog microscope is easy. First, pick an object you want to examine. You can use one of the eight double - sided smart slides or put the object on the large sample tray. Then, look through the microscope and use the zoom function to get a closer view. When you see something interesting, press the button to capture and save the image on the screen. You can also use the smart slides to access BBC videos and images. As for maintenance, keep the microscope in a dry place away from direct sunlight. After each use, clean the lenses gently with a soft, dry cloth. Avoid getting the microscope wet and don't let young children play with it without adult supervision. This microscope is for ages 5 and up, so make sure kids use it under proper guidance.