Microscopes can help use examine a world not visible to the naked eye. The Dino Lite is a digital microscope that connects to a computer via the USB port.
(different models that work pretty much the same)
The microscope comes with DinoXscope software (in the Applications folder) that allows you to capture:
It has a light to illuminate your work and measurement tools for putting lines, ovals and text on the image. You can take it off the stand to put the end of the microscope right on the object.
Think about how this might be used in educational settings. What could you examine? How could students use the ability to photograph and record images? Check out some examples in the Dino Lite Gallery.